Mirrorworks (114) [Mirrodin Besieged]Set: Mirrodin Besieged Type: Artifact Rarity: rare Cost: {5} Whenever another nontoken artifact you control enters, you may pay {2}. If you do, create a token that's a copy of that artifact.

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Rarity: rare Cost: {3}{U}{U} Horsemanship (This creature can't be blocked except by creatures with horsemanship

if this artifact is untapped

Set: Dissension Type: Artifact Rarity: uncommon Cost: {2} {1}

you may cast a permanent spell with mana value 2 or less from your graveyard

(Mana abilities can't be targeted

Set: Ice Age Type: Artifact Rarity: rare Cost: {4} {2}

Set: Secret Lair Drop Type: Creature — Sliver Rarity: rare Cost: {5}{W} Sliver creatures you control have "When this creature enters

Set: Limited Edition Alpha Type: Artifact Rarity: uncommon Cost: {1} Whenever a player casts a blue spell

Set: Commander 2017 Type: Legendary Creature — Cat Avatar Rarity: mythic Cost: {3}{G}{W} Eminence — At the beginning of combat on your turn

It enters with a flying counter on it if a card discarded this way has flying

Set: Secret Lair Drop Type: Creature — Vampire Spirit Rarity: rare Cost: {B}{B} This creature can't block

" −3: Return target nonland permanent to its owner's hand