Awesome Black Friday FOILS

Mutate {1}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

When Pursued Whale enters the battlefield, each opponent creates a 1/1 red Pirate creature token with "This creature can't block" and "Creatures yo...

Flying Whenever Warkite Marauder attacks, target creature defending player controls loses all abilities and has base power and toughness 0/1 until ...

Constellation — Whenever an enchantment enters the battlefield under your control, you may have Protean Thaumaturge become a copy of another target...

Destroy all creatures. Lands you control don't untap during your next untap step.

Flying When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's u...

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Target creatu...

Flying Djinn of Wishes enters the battlefield with three wish counters on it. {2}{U}{U}, Remove a wish counter from Djinn of Wishes: Reveal the t...

Whenever a Merfolk you control deals combat damage to a player, draw a card.

Vigilance Whenever Bishop of Rebirth attacks, you may return target creature card with mana value 3 or less from your graveyard to the battlefield.

{2}{U}, {T}: You may cast an instant or sorcery spell from your hand without paying its mana cost.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever Colossal Whale attacks, you may exile target ...

For each attacking creature, its owner puts it on the top or bottom of their library.

Devoid (This card has no color.) Whenever a creature you control deals combat damage to a player, you may draw a card. {3}{C}: Target creature ca...

Creatures entering the battlefield don't cause abilities to trigger.

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

When Suncleanser enters the battlefield, choose one — • Remove all counters from target creature. It can't have counters put on it for as long as ...

Mutate {3}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Whenever you cast a Knight spell, create a 1/1 white Human creature token.

Jeskai Infiltrator can't be blocked as long as you control no other creatures. When Jeskai Infiltrator deals combat damage to a player, exile it a...

Whenever you cast a Knight spell, create a 1/1 white Human creature token.

Flying Lands on the battlefield and land cards in graveyards can't be the targets of spells or abilities your opponents control. Your opponents c...

You gain twice X life. Put Sanguine Sacrament on the bottom of its owner's library.