Olag and Miau, New Friends, Maskwood Nexus, and Herd Baloth

Prerequisites

• Olag and Miau, New Friends on the battlefield
• Maskwood Nexus on the battlefield
• Herd Baloth in hand
• available

Steps

1. Cast Herd Baloth by paying its mana cost
2. When Herd Baloth enters, Olag and Miau's first and second abilities each trigger, as Herd Baloth is both a Zombie and a Cat due to Maskwood Nexus
3. Resolve the first trigger, putting a +1/+1 counter on any creature you wish
4. Resolve the second trigger, putting a +1/+1 counter on Herd Baloth
5. Herd Baloth triggers, creating a 4/4 Beast creature token
6. When the creature token enters, Olag and Miau's first and second abilities trigger
7. Repeat from step 3

Results

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