Black Knight

Protection from red Shadow (This creature can block or be blocked by only creatures with shadow.)

Echo 1G (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.) 1G: Regenerate this creature.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Defender When this creature enters, draw a card.

T: This creature deals 1 damage to any target and 1 damage to you.

Spend only black mana on X. Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Artifact and enchantment spells your opponents cast cost 2 more to cast. Sacrifice this enchantment: Destroy target artifact or enchantment.

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell.