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{T}: Target player mills a card. (They put the top card of their library into their graveyard.) {5}, {T}, Sacrifice this artifact: Return target ca...

{T}: Add {B} or {G}. {B}{G}: This artifact becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals ...

As this artifact enters, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

{T}: Add {B} or {R}. {B}{R}: This artifact becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

{T}: Add {G} or {W}. {G}{W}: This artifact becomes a 3/3 green and white Wolf artifact creature until end of turn.

Whenever this creature attacks, destroy all Auras attached to target land.

As this artifact enters, choose two colors. Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the c...

Trample This creature attacks each combat if able. Whenever this creature is dealt damage, flip a coin. If you lose the flip, sacrifice this creatu...

At the beginning of each opponent's upkeep, exile all cards from your hand face down. At the beginning of your upkeep, return all cards you own exi...

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner...

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equi...

All damage that would be dealt to you is dealt to equipped creature instead. Equip {3}

As this artifact enters, choose two colors. Each spell you cast costs {1} less to cast for each of the chosen colors it is.

As long as equipped creature is tapped, tapped creatures you control get +2/+0. As long as equipped creature is untapped, untapped creatures you co...

{2}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

This creature enters with three +1/+1 counters on it. Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

As this artifact enters, choose an opponent. At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X i...

You may spend white mana as though it were red mana.

During your turn, creatures you control get +2/+0. During turns other than yours, creatures you control get -0/-2.

{3}, {T}: Target player chooses a card name, then reveals the top card of their library. If that card has the chosen name, that player puts it into...

{T}, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.