Shalai, Voice of Plenty + Crystalline Crawler + Cryptic Trilobite + Primal Vigor

Prerequisites

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Steps

1. 1Activate Shalai by paying , putting two +1/+1 counters on each creature you control.
2. 2Activate Cryptic Trilobite's first ability twice by removing two +1/+1 counters from it, adding that can only be spent to activate abilities.
3. 3Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding .
4. 4Repeat.

Effects

• Infinite +1/+1 counters on most creatures you control