Necrotic Ooze + Auriok Bladewarden + Barrenton Medic

Prerequisites

• Necrotic Ooze does not have summoning sickness.

Steps

1. 1Activate Necrotic Ooze using Auriok Bladewarden's ability by tapping it, giving it +X/+X until end of turn, where X is its power.
2. 2Activate Necrotic Ooze using Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it.
3. 3Repeat.

Effects

• Infinitely large creature until end of turn