Ghave, Guru of Spores + Devoted Druid + Cathars' Crusade

Prerequisites

• Ghave has at least two +1/+1 counters on it, or there is a +1/+1 counter on another creature you control.
• Devoted Druid does not have summoning sickness.

Steps

1. 1Activate Devoted Druid's first ability by tapping it, adding .
2. 2Activate Ghave's first ability by paying and removing a +1/+1 counter from a creature you control, creating a 1/1 Saproling creature token.
3. 3When the Saproling enters the battlefield, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
4. 4Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
5. 5Repeat.

Effects

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