Vhal, Candlekeep Researcher + Scuttling Sliver + Shields of Velis Vel

Prerequisites

• Vhal does not have summoning sickness.

Steps

1. 1Cast Sheilds of Velis Vel by paying , causing all creatures you control to get +0/+1 and gain all creature types until end of turn.
2. 2Activate Vhal by tapping it, adding at least that cannot be spent to cast spells from your hand.
3. 3Activate Vhal by paying , untapping it.
4. 4Repeat from step 2.

Effects

• Infinite colorless mana that can't be spent to cast spells from your hand
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control