Olag and Miau, New Friends, Maskwood Nexus, and Basking Broodscale

Prerequisites

• Olag and Miau, New Friends on the battlefield
• Maskwood Nexus on the battlefield
• Basking Broodscale in hand
• available

Steps

1. Cast Basking Broodscale by paying its mana cost
2. When Basking Broodscale enters, Olag and Miau's first and second abilities each trigger, as Basking Broodscale 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 Basking Broodscale
5. Basking Broodscale triggers, creating a 0/1 Eldrazi Spawn 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 colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers