Invasion

{2}{R}, {T}: Destroy target nonbasic land.

Enchant land When Tainted Well enters the battlefield, draw a card. Enchanted land is a Swamp.

Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated.

Spend only black and/or red mana on X. Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amou...

Enchant creature When Scavenged Weaponry enters the battlefield, draw a card. Enchanted creature gets +1/+1.

Return target creature card from your graveyard to your hand. Draw a card.

Destroy two target nonblack creatures. You lose 5 life.

When Ravenous Rats enters the battlefield, target opponent discards a card.

Protection from black Crusading Knight gets +1/+1 for each Swamp your opponents control.

At the beginning of your upkeep, Plague Spitter deals 1 damage to each creature and each player. When Plague Spitter dies, Plague Spitter deals 1 d...

Flying Whenever Phyrexian Slayer becomes blocked by a white creature, destroy that creature. It can't be regenerated.

Whenever Phyrexian Reaper becomes blocked by a green creature, destroy that creature. It can't be regenerated.

{2}{U}{U}: Exchange control of Phyrexian Infiltrator and target creature. (This effect lasts indefinitely.)

When Phyrexian Delver enters the battlefield, return target creature card from your graveyard to the battlefield. You lose life equal to that card'...

Flying {B}: Phyrexian Battleflies gets +1/+0 until end of turn. Activate no more than twice each turn.

{U}{U}, {T}: Return target creature to its owner's hand. {R}{R}, {T}: Nightscape Master deals 2 damage to target creature.

{U}, {T}: Put target creature you control on top of its owner's library. {R}, {T}: Target creature gains first strike until end of turn.

Enchant creature Enchanted creature gets -2/-0. {B}: Return Mourning to its owner's hand.

Protection from white Marauding Knight gets +1/+1 for each Plains your opponents control.

Protection from red {W}: Target creature gains protection from red until end of turn.

Kicker {4} (You may pay an additional {4} as you cast this spell.) Target player discards a card. If this spell was kicked, that player discards th...

{2}: Target blue or red creature gets +1/+0 until end of turn.

{1}{B}: Regenerate Goham Djinn. Goham Djinn gets -2/-2 as long as black is the most common color among all permanents or is tied for most common.

{R}: Firescreamer gets +1/+0 until end of turn.