Blasting Station + Hardened Academic + Trapjaw Kelpie

RGWU identity

Commander legal

The 3 combo pieces

• Blasting Station
• Hardened Academic
• Trapjaw Kelpie

How to execute it

1. Activate Blasting Station by tapping it and sacrificing Trapjaw Kelpie.
2. When Trapjaw Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic and Blasting Station trigger.
4. Resolve the Hardened Academic trigger, putting a +1/+1 counter on Trapjaw Kelpie.
5. Resolve the Blasting Station trigger, untapping it.
6. Resolve the Blasting Station ability from step 1.
7. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers