Yedora, Grave Gardener + Birchlore Rangers + Phyrexian Altar

Prerequisites

—

Steps

1. 1Activate Phyrexian Altar by sacrificing Birchlore Rangers, adding one mana of any color.
2. 2Birchlore Rangers dies, triggering Yedora, returning Birchlore Rangers to the battlefield face down as a Forest land with no other types or abilities.
3. 3Activate Birchlore Rangers by tapping it, adding .
4. 4Activate Birchlore Rangers's morph ability by paying , turning it face up.
5. 5Repeat.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers