Yannik, Scavenging Sentinel + Lumbering Battlement + Felidar Guardian

Prerequisites

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Steps

1. 1Cast Yannik either from your hand or from the command zone by paying plus commander tax, if applicable.
2. 2Yannik enters the battlefield, exiling Felidar Guardian and putting a +1/+1 counter on any other creature you control.
3. 3Cast Lumbering Battlement by paying .
4. 4Lumbering Battlement enters the battlefield, exiling Yannik.
5. 5Yannik leaves the battlefield, returning Felidar Guardian from exile to the battlefield.
6. 6Felidar Guardian enters the battlefield, blinking Lumbering Battlement.
7. 7Lumbering Battlement leaves and enters the battlefield, returning Yannik from exile to the battlefield, and triggering Lumbering Battlement's enters-the-battlefield ability.
8. 8Yannik enters the battlefield, exiling Felidar Guardian and putting a +1/+1 counter on any other creature you control.
9. 9Resolve the Lumbering Battlement trigger, exiling Yannik.
10. 10Repeat from step 5.

Effects

• Infinite +1/+1 counters on creatures you control
• Infinite creature ETB
• Infinite creature LTB