Quicksilver Elemental, Touch of Vitae, and Deathbloom Ritualist

Prerequisites

• Quicksilver Elemental on the battlefield
• Touch of Vitae in hand
• Deathbloom Ritualist on the battlefield
• available

Steps

1. Cast Touch of Vitae by paying , targeting Deathbloom Ritualist
2. Activate Quicksilver Elemental by paying , causing it to gain Deathbloom Ritualist's activated abilities until end of turn
3. Activate Quicksilver Elemental using Deathbloom Ritualist's ability by tapping it, adding at least
4. Activate Quicksilver Elemental using Deathbloom Ritualist's ability granted to it by Touch of Vitae by paying , untapping Quicksilver Elemental
5. Repeat from step 2

Results

• Infinite colored mana