Deathleaper, Terror Weapon + Mythic Proportions

Deathleaper, Terror Weapon
Mythic Proportions

Requires
Deathleaper in hand or on the command zone. Mythic Proportions in hand. Deathleaper is your commander. An opponent is unable to block and kill creatures you control. 6rgggg available plus enough mana to pay for command tax, if applicable.
Steps
  1. Cast Deathleaper either from your hand or from the command zone by paying 2rg and command tax, if applicable
  2. Cast Mythic Proportions by paying 4ggg, attaching it to Deathleaper
  3. Deal combat damage to an opponent with Deathleaper, dealing a total of twenty two damage to that opponent
  4. The opponent loses the game as a state-based action due to being dealt at least 21 damage by your commander
Results
Target opponent loses the game.