Shaile, Dean of Radiance // Embrose, Dean of Shadow + Crystalline Crawler + Cryptic Trilobite + Umbral Mantle

Prerequisites

• Shaile does not have summoning sickness.
• Umbral Mantle attached to Shaile.

Steps

1. 1Cast Crystalline Crawler by paying .
2. 2Cast Cryptic Trilobite by paying .
3. 3Activate Shaile by tapping it, putting a +1/+1 counter on Crystalline Crawler, Cryptic Trilobite and any other creature that entered the battlefield under your control this turn.
4. 4Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding .
5. 5Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities.
6. 6Activate Shaile by paying and untapping it, giving it +2/+2 until end of turn.
7. 7Repeat from step 3.

Effects

• Infinite +1/+1 counters on certain creatures
• Infinitely large creature until end of turn