Call the Skybreaker [Commander 2015] Bolas Set: World Superstars Card type:

Set: World Superstars Card type: Xyz/Effect Monster Rarity: Super Rare Attack: 2300 Defense: 1600 2 Level 4 monsters Once per turn: You can attach 1 "Battlin' Boxer" monster from your hand or Graveyard to this card as an Xyz Material

Mystic Fighters is an all-foil booster set that contains 60 cards:

If you control an Urza's Power-Plant and an Urza's Tower

using monsters from your hand or field as Fusion Materials

Call the Skybreaker [Commander 2015] Bolas Set: World Superstars Card type:Set: Commander 2015 Type: Sorcery Rarity: Rare Cost: {5}{U R}{U R} Create a 5 5 blue and red Elemental creature token with flying. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) It hears and answers every orison across Shadowmoor.