Hullbreaker Horror + Selvala, Heart of the Wilds + Concordant Crossroads

Prerequisites

• You have a creature card in hand that can be cast using only colored mana.
• Selvala can tap to produce at least plus enough mana to cast the other creature card.

Steps

1. 1Activate Selvala by paying and tapping it, adding at least plus enough mana to cast a creature card from your hand.
2. 2Cast a creature card by paying its mana cost.
3. 3Hullbreaker Horror triggers, returning Selvala from the battlefield to your hand.
4. 4Cast Selvala by paying .
5. 5Hullbreaker Horror triggers, returning the creature cast in step 2 from the battlefield to your hand.
6. 6Repeat.

Effects

• Infinite colored mana
• Infinite ETB
• Infinite LTB
• Infinite storm count