Choose target spell or permanent that's red or green. Its owner puts it on the top or bottom of their library.

Choose target spell or permanent that's red or green. Its owner puts it on the top or bottom of their library.

Flash (You may cast this spell any time you could cast an instant.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

Flash (You may cast this spell any time you could cast an instant.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

Flash (You may cast this spell any time you could cast an instant.)

Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

Counter target spell.

Investigate three times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.

-2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.

-8: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.

-2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.

-8: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

This spell costs {2} less to cast if it targets a blue spell.

Counter target spell unless its controller pays {3}.

This spell costs {2} less to cast if it targets a blue spell.

Counter target spell unless its controller pays {3}.

Flash

Flying

Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)

When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control.

Flash

Flying

Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)

When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control.

Flash

Flying

Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)

When you cycle Nimble Obstructionist, counter target activated or triggered ability you don't control.

Flash (You may cast this spell any time you could cast an instant.)

Whenever Shielded Aether Thief blocks, you get {E} (an energy counter).

{T}, Pay {E}{E}{E}: Draw a card.

Flash (You may cast this spell any time you could cast an instant.)

Whenever Shielded Aether Thief blocks, you get {E} (an energy counter).

{T}, Pay {E}{E}{E}: Draw a card.