Aggravated Assault + Shriekwood Devourer

Prerequisites

• You control up to five lands that can tap to produce at least .
• You control a creature with power 5 or greater that does not have summoning sickness, and that cannot be blocked and killed by an opponent.

Steps

1. 1Declare any creature with power 5 or greater that cannot be blocked and killed by an opponent as an attacker.
2. 2Shriekwood Devourer triggers, untapping at least five lands.
3. 3Move to your postcombat main phase.
4. 4Activate up to five lands by tapping them, adding at least .
5. 5Activate Aggravated Assault by paying , untapping all creatures you control and causing you to get an additional combat and main phase after this one.
6. 6Repeat.

Effects

• Infinite combat phases
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite mana lands you control can produce
• Infinite untap of creatures you control
• Infinite untap of lands you control