Breaching Dragonstorm - Tarkir: Dragonstorm - 101

Enchantment

Mana Cost: {4}{R}

When this enchantment enters, exile cards from the top of your library until you exile a nonland card. You may cast it without paying its mana cost if that spell's mana value is 8 or less. If you don't, put that card into your hand.
When a Dragon you control enters, return this enchantment to its owner's hand.

Uncommon · Tarkir: Dragonstorm · #101 (TDM)

Illustrated by Danny Schwartz