Valley Floodcaller, and Banishing Knack

Prerequisites

• Valley Floodcaller on the battlefield
• Banishing Knack in hand
• You control a Bird, Rat, Otter and/or Frog that does not have summoning sickness
• available

Steps

1. Cast Banishing Knack by paying , targeting a Bird, Rat, Otter and/or Frog you control that does not have summoning sickness
2. Valley Floodcaller triggers, giving Birds, Otters, Frogs and Rats you control +1/+1 until end of turn and untapping them
3. Resolve Banishing Knack
4. Cast the noncreature permanent by paying
5. Valley Floodcaller triggers, giving Birds, Otters, Frogs and Rats you control +1/+1 until end of turn and untapping them
6. Activate the creature targeted by Banishing Knack by tapping it, returning the noncreature permanent cast in step 4 from the battlefield to your hand
7. Repeat from step 4

Results

• Infinite storm count
• Infinite untap of Birds, Otters, Rats and Frogs you control
• Infinitely large Birds, Otters, Rats and Frogs you control until end of turn