Mizzix's Mastery [Commander 2015] Xyz/Pendulum/Effect Monster or enchantment

or enchantment

Loyalty keeps them together

if this card''s attack strength is higher than that monster''s defense strength

You can Special Summon 1 Blue-Eyes White Dragon from your hand or your Deck by offering this card as a Tribute during your Main Phase

When Subtlety enters the battlefield

Mizzix's Mastery [Commander 2015] Xyz/Pendulum/Effect Monster or enchantmentSet: Commander 2015 Type: Sorcery Rarity: Rare Cost: {3}{R} Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery. Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")