Agent of the Shadow Thieves

Is

• Enchantment
• Legendary permanent

Does

• Puts +1/+1 counters on your creatures

Rewards

• Has an attack trigger

Best commanders

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

1. Isshin, Two Heavens as OneIsshin, Two Heavens as One copies your triggered abilities, which Agent of the Shadow Thieves can use because it has an attack trigger.
2. Felix Five-BootsFelix Five-Boots copies your triggered abilities, which Agent of the Shadow Thieves can use because it has an attack trigger.
3. Najeela, the Blade-BlossomNajeela, the Blade-Blossom has extra combat phases, which Agent of the Shadow Thieves can use because it has an attack trigger.
4. Mauhúr, Uruk-hai CaptainAgent of the Shadow Thieves puts +1/+1 counters on your creatures and Mauhúr, Uruk-hai Captain doubles counters.
5. Arna Kennerüd, SkycaptainAgent of the Shadow Thieves puts +1/+1 counters on your creatures and Arna Kennerüd, Skycaptain doubles counters.
6. Yawgmoth, Thran PhysicianYawgmoth, Thran Physician proliferates and Agent of the Shadow Thieves puts +1/+1 counters on your creatures.
7. Atraxa, Praetors' VoiceAtraxa, Praetors' Voice proliferates and Agent of the Shadow Thieves puts +1/+1 counters on your creatures.
8. High Perfect MorcantHigh Perfect Morcant proliferates and Agent of the Shadow Thieves puts +1/+1 counters on your creatures.
9. Agent Frank HorriganAgent Frank Horrigan proliferates and Agent of the Shadow Thieves puts +1/+1 counters on your creatures.
10. Brimaz, Blight of OreskosBrimaz, Blight of Oreskos proliferates and Agent of the Shadow Thieves puts +1/+1 counters on your creatures.