Prerequisites
- Necrosynthesis on the battlefield
- Scurry Oak on the battlefield
- Phyrexian Altar on the battlefield
- Necrosynthesis attached to Scurry Oak
- You control another creature to sacrifice
Steps
- Activate Phyrexian Altar by sacrificing a creature, adding one mana of any color
- Necrosynthesis triggers, putting a +1/+1 counter on Scurry Oak
- Scurry Oak triggers, creating a 1/1 Squirrel creature token
- Activate Phyrexian Altar by sacrificing the Squirrel token, adding one mana of any color
- Repeat from step 2
Results
- Infinite +1/+1 counters on Scurry Oak
- Infinite colored mana
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite sacrifice triggers
Required Cards 3
Necrosynthesis
Enchantment — Aura
Scurry Oak
Creature — Treefolk