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This land enters tapped. {T}: Add {W} or {U}.

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...

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...

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

{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.

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 {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 ...

Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where ...

{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.

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

{T}: Add {W} or {U}. {W}{U}: This artifact becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

Scavenge {0} ({0}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only...

Haste

Exile an instant or sorcery spell you control: Put two +1/+1 counters on this creature. (That spell won't resolve.)

Flying Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays {1}.

At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.)

{U/R}: This creature gets +1/-1 until end of turn.

({G/W} can be paid with either {G} or {W}.) If an instant or sorcery card would be put into a graveyard from anywhere, exile it instead.

{T}: Exile target land card from a graveyard. Add one mana of any color. (Activate only as an instant.) {B}, {T}: Exile target instant or sorcery c...

Trample This creature enters with X +1/+1 counters on it, where X is the total life lost by your opponents this turn.

Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. Untap it.

At the beginning of your upkeep, put a filibuster counter on this creature. Then if this creature has five or more filibuster counters on it, you w...