Ghave, Guru of Spores + Tribute to the World Tree + Phyrexian Altar

Prerequisites

• A creature you control has at least one +1/+1 counter on it.

Steps

1. 1Activate Ghave's first ability by paying and removing a +1/+1 counter from a creature you control, creating a 1/1 Saproling creature token.
2. 2When the Saproling enters the battlefield, Tribute to the World Tree triggers, putting two +1/+1 counters on the Saproling.
3. 3Activate Ghave's first ability by paying and removing a +1/+1 counter from a creature you control.
4. 4Holding priority, activate Phyrexian Altar by sacrificing the Saproling, adding .
5. 5Resolve the Ghave ability, creating a 1/1 Saproling creature token.
6. 6Repeat from step 2.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers