Eris, Roar of the Storm

This spell costs {2} less to cast for each different mana value among instant and sorcery cards in your graveyard.
Flying, prowess
Whenever you cast your second spell each turn, create a 4/4 red Dragon Elemental creature token with flying and prowess.

你坟墓场中的瞬间和法术牌间每有一种不同的法术力值，此咒语便减少{2}来施放。
飞行，灵技
每当你施放每回合中你的第二个咒语时，派出一个4/4红色，具飞行与灵技异能的龙／元素衍生生物。