Prerequisites
- Cathars' Crusade on the battlefield
- Devoted Druid on the battlefield
- Hapatra, Vizier of Poisons on the battlefield
- Devoted Druid does not have summoning sickness
- Devoted Druid does not have a -1/-1 counter on it
Steps
- Activate Devoted Druid by tapping it, adding
- Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it
- Hapatra triggers, creating a 1/1 Snake creature token
- The Snake enters the battlefield, triggering Cathars' Crusade, putting a +1/+1 counter on each creature you control
- Repeat
Results
- Infinite +1/+1 counters on all creatures you control except Devoted Druid
- Infinite creature tokens
- Infinite ETB
- Infinite green mana
Required Cards 3
Cathars' Crusade
Enchantment
Devoted Druid
Creature — Elf Druid
Hapatra, Vizier of Poisons
Legendary Creature — Human Cleric