Ghired, Mirror of the Wilds + Everquill Phoenix + Phyrexian Altar + Rukarumel, Biologist

Prerequisites

• You control a non-Human creature.

Steps

1. 1Cast Everquill Phoenix for its mutate cost by paying , putting it under or over a non-Human creature you control.
2. 2Everquill Phoenix triggers, creating a Feather artifact token.
3. 3Activate Ghired by tapping it, creating a copy of the Feather token.
4. 4Activate Phyrexian Altar by sacrificing Ghired, adding .
5. 5Activate a Feather by paying and sacrificing it, returning Ghired from your graveyard to the battlefield.
6. 6Repeat from step 3.

Effects

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