Necrotic Ooze, Dragonsguard Elite, Workhorse, and Chromatic Orrery

Prerequisites

• Necrotic Ooze on the battlefield
• Dragonsguard Elite in the graveyard
• Workhorse in the graveyard
• Chromatic Orrery on the battlefield
• At least 7 +1/+1 counters on Necrotic Ooze
• available

Steps

1. Activate Necrotic Ooze, doubling the +1/+1 counters on it to 14 +1/+1 counters
2. Remove six +1/+1 counters from Necrotic Ooze to add
3. Repeat

Results

• Infinite +1/+1 counters on Necrotic Ooze
• Infinite colored mana
• Infinite colorless mana