Spooky20

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

When Elite Arcanist enters the battlefield, you may exile an instant card from your hand. {X}, {T}: Copy the exiled card. You may cast the copy wit...

Counter target creature spell.

Enchant artifact Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts...

If you would draw a card while your library has no cards in it, you win the game instead. [+1]: Target player mills two cards. Draw a card. [-8]: D...

Return target creature to its owner's hand.

Flash Flying Dreamcaller Siren can block only creatures with flying. When Dreamcaller Siren enters the battlefield, if you control another Pirate, ...

{3}{U}: You may tap or untap target creature.

{T}: Add {C}. Spend this mana only to cast an instant or sorcery spell. At the beginning of your upkeep, if there are three or more instant and/or ...

{T}: Add {U}. {2}{U}: Put an hour counter on Midnight Clock. At the beginning of each upkeep, put an hour counter on Midnight Clock. When the twelf...

Return up to three target creatures to their owners' hands.

Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Counter target spell unless its controller pays {4}.

Enchant land Enchanted land has "{T}: Target creature gains flying until end of turn. Activate only as a sorcery."

{2}{U}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)

Constellation — Whenever Thassa's Devourer or another enchantment enters the battlefield under your control, target player mills two cards.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

Counter target spell. Investigate three times. (To investigate, create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a ...

You may reveal an Eldrazi card you own from outside the game or choose a face-up Eldrazi card you own in exile. Put that card into your hand.

Surge {3}{U}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Return all nonland permanents ...

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum h...