leylines
My decksNew deck
Berta, Wise Extrapolator

Berta, Wise Extrapolator

Legendary Creature — Frog Druid1/4$0.33

Increment (Whenever you cast a spell, if the amount of mana you spent is greater than this creature's power or toughness, put a +1/+1 counter on this creature.) Whenever one or more +1/+1 counters are put on Berta, add one mana of any color. , : Create a 0/0 green and blue Fractal creature token and put X +1/+1 counters on it.

Legal in Commander

Is

Does

Makes tokens

Rewards

Combos 30

  • Berta, Wise Extrapolator + Intruder Alarm

    • Infinite creature tokens
    • Infinite mana creatures you control can produce

    1,890 decks on Commander Spellbook

    How it works

    Before you start

    Berta doesn't have summoning sickness.

    Steps

    Activate Berta by paying {0} and tapping it, creating a 0/0 Fractal creature token. The Fractal enters and dies as a state-based action due to having 0 toughness. Intruder Alarm triggers, untapping all creatures. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Intruder Alarm + Ivy Lane Denizen

    • Infinite +1/+1 counters on a creature
    • Infinite creature tokens
    • Infinite mana creatures you control can produce
    • Infinite untap of creatures

    Mana needed: 558 decks on Commander Spellbook

    How it works

    Steps

    Activate Berta by paying {1} and tapping it, creating a 0/0 Fractal creature token and putting a +1/+1 counter on it. When the Fractal enters, Intruder Alarm and Ivy Lane Denizen trigger. Resolve the Intruder Alarm trigger, untapping all creatures. Resolve the Ivy Lane Denizen trigger, putting a +1/+1 counter on Berta. Berta triggers, adding {1}. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Shrieking Drake + Three Tree Scribe

    • Infinite +1/+1 counters on a creature

    Mana needed: 431 decks on Commander Spellbook

    How it works

    Steps

    Cast Shrieking Drake by paying {U}. When Shrieking Drake enters, it triggers, returning itself from the battlefield to your hand. Three Tree Scribe triggers, putting a +1/+1 counter on Berta. Berta triggers, adding {U}. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Ms. Bumbleflower + Shrieking Drake

    • Near-infinite +1/+1 counters on a creature

    Mana needed: 297 decks on Commander Spellbook

    How it works

    Before you start

    An opponent cannot pay for Smothering Tithe's trigger.

    Steps

    Cast Shrieking Drake by paying {U}. Ms. Bumbleflower triggers, causing an opponent to draw a card and putting a +1/+1 counter on Berta. Berta triggers, adding {U}. When Shrieking Drake enters, it triggers, returning it from the battlefield to your hand. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Intruder Alarm + Xavier Sal, Infested Captain

    • Infinite mana creatures you control can produce
    • Infinite proliferate
    • Infinite untap of creatures
    • Infinite creature tokens

    Mana needed: 58 decks on Commander Spellbook

    How it works

    Steps

    Activate Berta by paying {1} and tapping it, creating a 0/0 Fractal creature token and putting a +1/+1 counter on it. When the Fractal enters, Intruder Alarm triggers, untapping all creatures. Activate Xavier Sal's second ability by tapping it and sacrificing the Fractal, causing you to proliferate and put a +1/+1 counter on Berta. Berta triggers, adding {1}. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Animation Module + Extruder

    • Infinite +1/+1 counters on a creature

    29 decks on Commander Spellbook

    How it works

    Before you start

    You control another artifact.

    Steps

    Activate Extruder by sacrificing another artifact, putting a +1/+1 counter on Berta. Berta and Animation Module trigger. Resolve the Berta trigger, adding {1}. Resolve the Animation Module trigger, causing you to pay {1} to create a 1/1 Servo artifact creature token. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Intruder Alarm + Cathars' Crusade

    • Infinite +1/+1 counters on creatures you control
    • Infinite creature tokens
    • Infinite mana creatures you control can produce
    • Infinite untap of creatures

    Mana needed: 13 decks on Commander Spellbook

    How it works

    Steps

    Activate Berta by paying {1} and tapping it, creating a 0/0 Fractal creature token and putting a +1/+1 counter on it. When the Fractal enters, Intruder Alarm and Cathars' Crusade trigger. Resolve the Intruder Alarm trigger, untapping all creatures. Resolve the Cathars' Crusade trigger, putting a +1/+1 counter on each creature you control. Berta triggers, adding {1}. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Intruder Alarm + Plaguemaw Beast

    • Infinite mana creatures you control can produce
    • Infinite proliferate
    • Infinite untap of creatures
    • Infinite creature tokens

    Mana needed: 6 decks on Commander Spellbook

    How it works

    Steps

    Activate Berta by paying {1} and tapping it, creating a 0/0 Fractal creature token and putting a +1/+1 counter on it. When the Fractal enters, Intruder Alarm triggers, untapping all creatures. Activate Plaguemaw Beast by tapping it and sacrificing the Fractal, causing you to proliferate and put a +1/+1 counter on Berta. Berta triggers, adding {1}. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Cathars' Crusade + Ghave, Guru of Spores

    • Infinite +1/+1 counters on most creatures you control
    • Infinite creature tokens

    Mana needed: 6 decks on Commander Spellbook

    How it works

    Steps

    Activate Ghave by paying {1} and removing a +1/+1 counter from it, creating a creature token. When the creature token enters, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control. Berta triggers, adding {1}. Repeat.

    Commander Spellbook ↗

  • Berta, Wise Extrapolator + Donatello, the Brains + Summoning Station

    • Infinite +1/+1 counters on creatures you control
    • Infinite creature tokens

    Mana needed: 4 decks on Commander Spellbook

    How it works

    Steps

    Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token and a Mutagen token due to Donatello. Activate the Mutagen by paying {1}, tapping and sacrificing it. Summoning Station triggers, untapping it. Resolve the Mutagen ability, putting a +1/+1 counter on Berta. Berta triggers, adding {1}. Repeat.

    Commander Spellbook ↗

Combo data from Commander Spellbook. Only combos of 2 or 3 named cards are listed.

Best commanders

Commanders whose abilities work with this card and share its colors, from what the cards do.

  1. Xavier Sal, Infested CaptainXavier Sal, Infested Captain proliferates, which Berta, Wise Extrapolator can use because it puts +1/+1 counters on your creatures.
  2. Zimone, Paradox SculptorZimone, Paradox Sculptor puts +1/+1 counters on your creatures, which Berta, Wise Extrapolator can use.
  3. Tanazir QuandrixTanazir Quandrix puts +1/+1 counters on your creatures, which Berta, Wise Extrapolator can use.
  4. Roalesk, Apex HybridRoalesk, Apex Hybrid proliferates, which Berta, Wise Extrapolator can use because it puts +1/+1 counters on your creatures.
  5. Adrix and Nev, TwincastersBerta, Wise Extrapolator makes creature tokens and Adrix and Nev, Twincasters doubles tokens.
  6. Elrond, Master of HealingElrond, Master of Healing puts +1/+1 counters on your creatures, which Berta, Wise Extrapolator can use.
  7. Experiment KrajExperiment Kraj puts +1/+1 counters on your creatures, which Berta, Wise Extrapolator can use.
  8. Ant-Man, Colony CommanderAnt-Man, Colony Commander puts +1/+1 counters on your creatures, which Berta, Wise Extrapolator can use.
  9. Aang and KataraBerta, Wise Extrapolator taps your creatures, which Aang and Katara can use because it cares how many of your creatures are tapped.
  10. Marcus, Mutant MayorBerta, Wise Extrapolator puts +1/+1 counters on your creatures, which Marcus, Mutant Mayor can use.

View Berta, Wise Extrapolator on Scryfall