Jumbo Cactuar + Mayael's Aria + Shadow of the Second Sun

RGWU identity

Commander legal

The 3 combo pieces

• Jumbo Cactuar
• Mayael's Aria
• Shadow of the Second Sun

How to execute it

1. Declare Jumbo Cactuar as an attacker, triggering its ability, giving it +9999/+0 until end of turn.
2. At the beginning of your postcombat main phase, Shadow of the Second Sun triggers, causing you to get an additional beginning phase after this phase.
3. During the beginning phase's upkeep step, Mayael's Aria triggers, causing you to put a +1/+1 counter on each creature you control, gain 10 life, and win the game.

What the combo produces

• Win the game