Mirrorworks [Mirrodin Besieged]Set: Mirrodin Besieged Type: Artifact Rarity: Rare Cost: {5} Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact. The faces of Geth's corpse dredgers are disturbingly similar.

You gain life equal to its toughness

Rarity: Rare Cost: {B}{B}{B}{B}{B}{B}{B}{B}{B}{B}{B}{B}{B}{B}{B} You must cast both B

Set: Legends Type: Instant Rarity: Uncommon Cost: {U}{U} Cast this spell only during an opponent's turn after their upkeep step

reveal the top three cards of your planar deck

Set: Conspiracy Type: Artifact Rarity: Rare Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power

look at that player's hand

Set: Modern Masters Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from white and from black

"Her will shall banish the shadows

Teferi's Isle enters the battlefield tapped

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {1}{R} Rockslide Ambush deals damage to target creature equal to the number of Mountains you control

The gems' incandescence invades the dreams of all who see them

When Snapcaster Mage enters the battlefield