Necrotic Ooze, Farmstead Gleaner, and Omen Hawker

Prerequisites

• Necrotic Ooze on the battlefield
• Farmstead Gleaner in the graveyard
• Omen Hawker in the graveyard
• Necrotic Ooze does not have summoning sickness

Steps

1. Activate Necrotic Ooze using Omen Hawker's ability by tapping it, adding that can only be spent to activate abilities
2. Activate Necrotic Ooze using Farmstead Gleaner's ability by paying and untapping it, putting a +1/+1 counter on it
3. Repeat

Results

• Infinite +1/+1 counters on Necrotic Ooze