Captain Rex Nebula, Brazen Dwarf, Assault Suit, and Leonin Shikari

Prerequisites

• Captain Rex Nebula on the battlefield
• Brazen Dwarf on the battlefield
• Assault Suit on the battlefield
• Leonin Shikari on the battlefield
• available

Steps

1. At the beginning of combat, Captain Rex Nebula triggers, making Brazen Dwarf a Vehicle and giving it Crew 2 and "Whenever this Vehicle deals damage, roll a six-sided die and sacrifice this Vehicle if the result is equal to its mana value" until end of turn
2. Activate Brazen Dwarf's Crew ability by tapping Captain Rex Nebula, making it a creature until end of turn
3. Activate Assault Suit's equip ability by paying , attaching it to Brazen Dwarf
4. Declare Brazen Dwarf as an attacker and deal combat damage with it
5. Brazen Dwarf's ability from Captain Rex Nebula triggers, causing you to roll a six-sided die and fail to sacrifice Brazen Dawrf regardless of the result due to Assault Suit's ability
6. Brazen Dwarf triggers from the die roll, dealing 1 damage to each opponent
7. Repeat from step 5

Results

• Infinite damage
• Infinite die rolls