Quicksilver Elemental + Gaea's Touch + Meloku the Clouded Mirror + Regal Behemoth + Opalescence

Quicksilver Elemental

Gaea's Touch

Meloku the Clouded Mirror

Regal Behemoth

Opalescence

How it works

1. Activate Quicksilver Elemental by paying , causing it to gain all activated abilities of Gaea's Touch until end of turn.
2. Activate Quicksilver Elemental using Gaea's Touch ability by paying 0, putting a basic Forest from your hand onto the battlefield.
3. Activate the Forest by tapping it, adding .
4. Regal Behemoth's second ability triggers, adding .
5. Activate Meloku by paying 1 and returning the Forest from the battlefield to your hand, creating a 1/1 Illusion creature token.
6. Repeat.