
Maester Seymour
Legendary Creature — Human Elf Cleric1/3$0.25
At the beginning of combat on your turn, put a number of +1/+1 counters equal to Maester Seymour's power on another target creature you control. : Monstrosity X, where X is the number of counters among creatures you control. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
Legal in Commander
Is
Does
Combos 4
Maester Seymour + Sage of Hours
- Infinite turns
Commander Spellbook ↗How it works
Steps
At the beginning of your combat phase, Maester Seymour triggers, putting at least five +1/+1 counters on Sage of Hours. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one. Repeat each turn.
Maester Seymour + Crystalline Crawler + Aggravated Assault
- Infinite colored mana
- Infinite combat phases
- Infinite mana creatures you control can produce
- Infinite +1/+1 counters on creatures you control
Commander Spellbook ↗How it works
Steps
At the beginning of your combat phase, Maester Seymour triggers, putting at least five +1/+1 counters on Crystalline Crawler. Move to your postcombat main phase. Activate Crystalline Crawler's first ability five times by removing five +1/+1 counters from it, adding {3}{R}{R}. Activate Aggravated Assault by paying {3}{R}{R}, untapping all creatures you control and causing you to get an additional combat and main phase after this one. Repeat.
Maester Seymour + Crystalline Crawler + Najeela, the Blade-Blossom
- Infinite creature tokens with haste
- Infinite colored mana
- Infinite combat phases
- Infinite +1/+1 counters on creatures you control
Commander Spellbook ↗How it works
Steps
At the beginning of your combat phase, Maester Seymour triggers, putting at least five +1/+1 counters on Crystalline Crawler. Activate Crystalline Crawler's first ability five times by removing five +1/+1 counters from it, adding {W}{U}{B}{R}{G}. Activate Najeela by paying {W}{U}{B}{R}{G}, untapping all attacking creatures you control and causing you to get an additional combat phase after this one. Repeat.
Maester Seymour + Crystalline Crawler + Hellkite Charger
- Infinite colored mana
- Infinite combat phases
- Infinite +1/+1 counters on creatures you control
Commander Spellbook ↗How it works
Steps
At the beginning of your combat phase, Maester Seymour triggers, putting at least seven +1/+1 counters on Crystalline Crawler. Declare Hellkite Charger as an attacker, triggering its ability. Holding priority, activate Crystalline Crawler's first ability seven times by removing seven +1/+1 counters from it, adding {5}{R}{R}. Resolve the Hellkite Charger trigger, causing you to pay {5}{R}{R} to untap all attacking creatures you control and to get an additional combat phase after this one. Repeat.
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.
- Byrke, Long Ear of the LawMaester Seymour puts +1/+1 counters on your creatures and Byrke, Long Ear of the Law doubles counters.
- Lily Bowen, Raging GrandmaMaester Seymour puts +1/+1 counters on your creatures and Lily Bowen, Raging Grandma doubles counters.
- Mowu, Loyal CompanionMaester Seymour puts +1/+1 counters on your creatures and Mowu, Loyal Companion doubles counters.
- High Perfect MorcantHigh Perfect Morcant proliferates and Maester Seymour puts +1/+1 counters on your creatures.
- Miles Morales // Ultimate Spider-ManMaester Seymour puts +1/+1 counters on your creatures and Miles Morales // Ultimate Spider-Man doubles counters.
- Haldir, Lórien LieutenantMaester Seymour puts +1/+1 counters on your creatures, which Haldir, Lórien Lieutenant can use.
- Bristly Bill, Spine SowerMaester Seymour puts +1/+1 counters on your creatures and Bristly Bill, Spine Sower doubles counters.
- Vorinclex, Monstrous RaiderMaester Seymour puts +1/+1 counters on your creatures and Vorinclex, Monstrous Raider doubles counters.
- Zimone, Paradox SculptorMaester Seymour puts +1/+1 counters on your creatures and Zimone, Paradox Sculptor doubles counters.
- Vorel of the Hull CladeMaester Seymour puts +1/+1 counters on your creatures and Vorel of the Hull Clade doubles counters.