When Urza, Lord High Artificer enters, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."Tap an untapped artifact you control: Add .: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.
Equipped creature gets +2/+2 and has protection from black and from red.Whenever equipped creature deals combat damage to a player, destroy up to one target planeswalker and up to one target artifact.Equip
Whenever you cast a permanent spell with a mana cost that contains , double the value of X.Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains , copy that spell or ability. You may choose new targets for the copy.
Each player shuffles their hand and graveyard into their library, then draws seven cards.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
+1: Return up to one target land card from your graveyard to your hand.−1: Wrenn and Six deals 1 damage to any target.−7: You get an emblem with "Instant and sorcery cards in your graveyard have retrace." (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)
Exile target creature you control, then return it to the battlefield under its owner's control.Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
