Plumecreed Mentor + Aven Wind Guide + Herd Baloth

Prerequisites

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Steps

1. 1Cast Plumecreed Mentor by paying .
2. 2When Plumecreed Mentor enters the battlefield, it triggers, putting a +1/+1 counter on Herd Baloth.
3. 3Herd Baloth triggers, creating a 4/4 Beast creature token that has flying and vigilance due to Aven Wind Guide.
4. 4When the Beast enters the battlefield, Plumecreed Mentor triggers, putting a +1/+1 counter on Herd Baloth.
5. 5Repeat from step 3.

Effects

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature tokens