Basking Broodscale, Master Biomancer, and Yuna, Grand Summoner

Prerequisites

• Basking Broodscale in hand
• Master Biomancer on the battlefield
• Yuna, Grand Summoner on the battlefield
• available

Steps

1. Cast Basking Broodscale by paying , which enters with a +1/+1 counter on it due to Master Biomancer
2. Basking Broodscale triggers, creating a 0/1 Eldrazi Spawn creature token that enters with a +1/+1 counter on it due to Master Biomancer
3. Activate the Eldrazi Spawn by sacrificing it, adding
4. When the Eldrazi Spawn dies, Yuna triggers, putting a +1/+1 counter on Basking Broodscale
5. Repeat from step 2

Results

• Infinite +1/+1 counters on a creature
• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers