Mirrodin
[3] Spellweaver Helix
MRD#247#N
Imprint — When Spellweaver Helix enters, you may exile two target sorcery cards from a single graveyard.Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost.
[rare] rare
Mirrodin
[3] Crystal Shard
MRD#159#N
, or , : Return target creature to its owner's hand unless its controller pays .
[uncommon] uncommon
Mirrodin
[2][B][B] Barter in Blood - Foil
MRD#57#F
Each player sacrifices two creatures of their choice.
[uncommon] uncommon
Mirrodin
[6] Gate to the Aether
MRD#174#N
At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.
[rare] rare
Mirrodin
[4][B][B][B][B] Reiver Demon
MRD#75#N
FlyingWhen Reiver Demon enters, if you cast it from your hand, destroy all nonartifact, nonblack creatures. They can't be regenerated.
[rare] rare
Mirrodin
[3] Oblivion Stone
MRD#222#N
, : Put a fate counter on target permanent., , Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents.
[rare] rare
Mirrodin
[2][R] Trash for Treasure
MRD#109#N
As an additional cost to cast this spell, sacrifice an artifact.Return target artifact card from your graveyard to the battlefield.
[rare] rare
Mirrodin
[5][U][U] Assert Authority - Foil
MRD#30#F
Affinity for artifacts (This spell costs less to cast for each artifact you control.)Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
[uncommon] uncommon
Mirrodin
[1] Necrogen Spellbomb - Foil
MRD#216#F
, Sacrifice Necrogen Spellbomb: Target player discards a card., Sacrifice Necrogen Spellbomb: Draw a card.
[common] common
Mirrodin