CommanderModernLegacyVintage
Result
Infinite creature tokens, Infinite ETB
Activate Barrenton Medic by tapping it, creating a 1/1 Elf Warrior creature token.
The Elf Warrior enters the battlefield, triggering Barrenton Medic, giving Barrenton Medic +1/+1 until end of turn.
Activate Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.
Component Cards
How It Works
1
Activate Barrenton Medic by tapping it, creating a 1/1 Elf Warrior creature token.
The Elf Warrior enters the battlefield, triggering Barrenton Medic, giving Barrenton Medic +1/+1 until end of turn.
Activate Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.