Temporal Aperture [Urza's Saga] XY76 Set: Ancient Guardians Card type:

Set: Ancient Guardians Card type: Effect Monster Rarity: Collector's Rare Attack: 0 Defense: 0 Cannot be Normal Summoned or Set

Set: Black & White: Dark Explorers Type: Fighting Rarity: Uncommon Retreat cost: Colorless

You can only activate this effect during your Main Phase

then target 1 face-up Xyz Monster your opponent controls

before damage calculation inflict damage to your opponent equal to that monster's ATK

Temporal Aperture [Urza's Saga] XY76 Set: Ancient Guardians Card type:Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {2} {5}, {T}: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.)