Quicksilver Elemental + Touch of Vitae + Transdimensional Bovine

Mana needed: {2}{G}{U}

GU identity

Commander legal

The 3 combo pieces

• Quicksilver Elemental
• Touch of Vitae
• Transdimensional Bovine

How to execute it

1. Cast Touch of Vitae by paying {2}{G}, targeting Transdimensional Bovine.
2. Activate Quicksilver Elemental by paying {U}, causing it to gain Transdimensional Bovine's activated abilities until end of turn.
3. Activate Quicksilver Elemental using Transdimensional Bovine's ability by tapping it, adding {U}{U}.
4. Activate Quicksilver Elemental using Transdimensional Bovine's ability granted to it by Touch of Vitae by paying {0}, untapping Quicksilver Elemental.
5. Repeat from step 2.

What the combo produces

• Infinite colored mana