Koll, the Forgemaster + Diamond Lion + Mass Hysteria + Sai of the Shinobi

Koll, the Forgemaster

Diamond Lion

Mass Hysteria

Sai of the Shinobi

How it works

1. Cast Diamond Lion by paying 2.
2. When Diamond Lion enters, Sai of the Shinobi triggers, attaching itself to Diamond Lion.
3. Activate Diamond Lion by tapping it, sacrificing it and discarding your hand, adding three mana of any color.
4. When Diamond Lion dies, Koll triggers, returning Diamond Lion from your graveyard to your hand.
5. Repeat.

This ingenious loop turns a modest artifact creature into a self-sustaining mana engine, fueled entirely by the clever synergy between Koll, the Forgemaster and Diamond Lion. With Mass Hysteria granting immediate haste, Diamond Lion can tap, discard your hand, and sacrifice itself for three mana the moment it hits the board. Because Sai of the Shinobi automatically equips itself to the Lion upon entry, the Lion is considered "equipped" when it dies—satisfying Koll's condition to instantly bounce it right back to your hand. You can then simply recast the Lion for two mana, profit one mana per iteration, and repeat the process indefinitely for infinite storm count and colored mana.