Gilded Lotus, Horseshoe Crab, Mairsil, the Pretender, and Quicksilver Elemental

Prerequisites

• Gilded Lotus in exile
• Horseshoe Crab in exile
• Mairsil, the Pretender on the battlefield
• Quicksilver Elemental in exile
• Mairsil does not have summoning sickness

Steps

1. Activate Mairsil using Gilded Lotus' ability by tapping it, adding
2. Activate Mairsil using Horseshoe Crab's ability by paying , untapping it
3. Activate Mairsil using Quicksilver Elemental's ability by paying , causing it to gain all activated abilities of itself until end of turn
4. Repeat
5. If desired, you may use any of Staff of Domination's other abilities using Mairsil, and then use Quicksilver Elemental's ability to use them infinitely

Results

• Infinite colored mana