Valley Floodcaller + Retraction Helix + Mana Vault

Prerequisites

• You control a Bird, Rat, Otter and/or Frog that does not have summoning sickness.

Steps

1. 1Cast Retraction Helix by paying , targeting a Bird, Rat, Otter and/or Frog you control that does not have summoning sickness.
2. 2Valley Floodcaller triggers, giving Birds, Otters, Frogs and Rats you control +1/+1 until end of turn and untapping them.
3. 3Resolve Retraction Helix.
4. 4Cast Mana Vault by paying its mana cost.
5. 5Valley Floodcaller triggers, giving Birds, Otters, Frogs and Rats you control +1/+1 until end of turn and untapping them.
6. 6Activate Mana Vault by tapping it, adding .
7. 7Activate the creature targeted by Retraction Helix by tapping it, returning Mana Vault from the battlefield to your hand.
8. 8Repeat from step 4.

Effects

• Infinite colorless mana
• Infinite power and toughness for certain creatures until end of turn
• Infinite storm count
• Infinite untap of some creatures you control