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

Mana needed: {6}

WB identity

Commander legal

The 4 combo pieces

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

What must be in place

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

How to execute it

1. Cast Crystalline Crawler by paying {4}.
2. Cast Cryptic Trilobite by paying {2}.
3. Activate 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. Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {U}.
5. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding {C}{C} that can only be spent to activate abilities.
6. Activate Shaile by paying {3} and untapping it, giving it +2/+2 until end of turn.
7. Repeat from step 3.

What the combo produces

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