All-Out Assault + Felidar Guardian + Splinter Twin

Prerequisites

• You control a creature that does not have summoning sickness and that cannot be blocked and killed by an opponent.

Steps

1. 1Cast All-Out Assault by paying .
2. 2When All-Out Assault enters the battlefield, it triggers, causing you to get an additional combat and main phase after this one.
3. 3Move to your next combat phase, and declare any creature as an attacker.
4. 4All-Out Assault triggers, untapping all creatures you control.
5. 5Move to your next main phase.
6. 6Activate Felidar Guardian by tapping it, creating a token copy of it with haste.
7. 7When the Felidar Guardian token enters the battlefield, Felidar Guardian triggers, blinking All-Out Assault.
8. 8Repeat from step 2.

Effects

• Infinite combat phases
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature tokens with haste
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control