Underworld Breach, Burning Inquiry, and Runaway Steam-Kin

Prerequisites

• Underworld Breach on the battlefield
• Burning Inquiry in the graveyard
• Runaway Steam-Kin on the battlefield
• minus for each +1/+1 counter on Runaway Steam-Kin available

Steps

1. If Runaway Steam-Kin has three or more +1/+1 counters on it, activate Runaway Steam-Kin by removing three +1/+1 counters from it, adding
2. Cast Burning Inquiry for its escape cost by paying and exiling three cards from your graveyard
3. Runaway Steam-Kin triggers, putting a +1/+1 counter on it
4. Resolve Burning Inquiry, causing each player to draw three cards and discard three cards at random
5. Repeat

Results

• Infinite draw triggers for all players
• Infinite looting for all players
• Infinite self-discard triggers for all players
• Near-infinite magecraft triggers
• Near-infinite storm count