Reverberating Summons (TDM-117) - Tarkir: Dragonstorm: (enchantment)

At the beginning of each combat, if you've cast two or more spells this turn, this enchantment becomes a 3/3 Monk creature with haste in addition to its other types until end of turn.
{1}, Discard your hand, Sacrifice this enchantment: Draw two cards.