Gilded Lotus + Mairsil, the Pretender + Morphling + Quicksilver Elemental

UBR identity

Commander legal

The 4 combo pieces

• Gilded Lotus
• Mairsil, the Pretender
• Morphling
• Quicksilver Elemental

What must be in place

Mairsil does not have summoning sickness.

How to execute it

1. Activate Mairsil using Gilded Lotus' ability by tapping it, adding {U}{U}{U}.
2. Activate Mairsil using Morphling's first ability by paying {U}, untapping Mairsil.
3. Activate Mairsil using Quicksilver Elemental's ability by paying {U}, causing Mairsil to gain all activated abilities of itself until end of turn.
4. Repeat.

What the combo produces

• Infinite colored mana