Magic The Gathering Cards of types 'Phyrexian' and 'Minion'

When this creature enters, target opponent gains control of it. At the beginning of your upkeep, this creature deals 2 damage to you.

Flying Echo {2}{B} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, destroy target nonartifact, nonblack creature.

{1}, Sacrifice a creature: Put a +1/+1 counter on this creature.

When this creature enters, add {B}{B}{B}.

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

When this creature enters, exile it unless you discard a creature card. When this creature dies, exile it and return target creature card from your graveyard to the battlefield.

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

Xantcha enters under the control of an opponent of your choice. Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls. {3}: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.

({B/P} can be paid with either {B} or 2 life.) Lifelink For each {B} in a cost, you may pay 2 life rather than pay that mana. Whenever you cast a black spell, put a +1/+1 counter on K'rrik.