Spreading Plague [Invasion]

Spreading Plague [Invasion]Set: Invasion Type: Enchantment Rarity: Rare Cost: {4}{B} Whenever a creature enters the battlefield, destroy all other creatures that share a color with it. They can't be regenerated. The cruelest strain of plague keeps its hosts alive long enough to return home and infect their families.

Set: Shadowmoor Type: Creature — Kithkin Scout Rarity: Common Cost: {2}{W/U}{W/U} Barrenton Cragtreads can't be blocked by red creatures

Its controller loses 1 life

Set: Magic 2010 Type: Instant Rarity: Uncommon Cost: {1}{U} Counter target red or green spell

and at the beginning of the next end step

Set: Champions of Kamigawa Type: Creature — Human Soldier Rarity: Uncommon Cost: {W} When a creature dealt damage by Bushi Tenderfoot this turn dies

When Petradon leaves the battlefield

Sacrifice Blockbuster: It deals 3 damage to each tapped creature and each player

Sentience is its natural habitat

Set: Theros Type: Creature — Octopus Rarity: Uncommon Cost: {3}{U}{U} Sealock Monster can't attack unless defending player controls an Island

Set: Commander 2017 Type: Land Rarity: Common Scoured Barrens enters the battlefield tapped

Set: Stronghold Type: Creature — Beast Rarity: Common Cost: {2}{R} {R}: Flowstone Shambler gets +1/-1 until end of turn

if Mad Dog didn't attack or come under your control this turn