Wayta, Trainer Prodigy + Bellowing Aegisaur + Cacophodon + Temple Altisaur + Mythos of Illuna

Prerequisites

• You control a permanent that can tap to produce at least .
• You have enough mana to cast Mythos of Illuna.

Steps

1. 1Cast Mythos of Illuna by paying its mana cost, creating a token copy of Bellowing Aegisaur.
2. 2Activate a mana-producing permanent you control by tapping it, adding at least .
3. 3Activate Wayta by paying and tapping it, causing Cacophodon and the nontoken Bellowing Aegisaur to fight each other, with each only taking 1 damage due to Temple Altisaur.
4. 4Cacophodon and Bellowing Aegisaur each trigger twice.
5. 5Resolve all Bellowing Aegisaur triggers, putting two +1/+1 counters on each other creature you control.
6. 6Resolve both Cacophodon triggers, untapping the mana-producing permanent and Wayta.
7. 7Repeat from step 2, alternating between having the token and nontoken Bellowing Aegisaur fight Cacophodon.

Effects

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