Pioneer

Return all attacking creatures to their owner's hand.

Tap target creature you don't control. Overload {3}{U} (You may cast this spell for its overload cost. If you do, change its text by replacing all ...

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Whenever you cast your second spell each turn, draw a card.

This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X...

Choose one — • Counter target spell. • You may choose new targets for target spell. • Copy target instant or sorcery spell. You may choose new targ...

Flash When Merfolk Trickster enters the battlefield, tap target creature an opponent controls. It loses all abilities until end of turn.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Return target creature to its owner's hand. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any colo...

Beacon Bolt deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard. Jump-sta...

When Gadwick, the Wizened enters the battlefield, draw X cards. Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

Return all nonland permanents to their owners' hands. If you return four or more nontoken permanents you control this way, you may put a permanent ...

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

[+2]: Exile the top three cards of target opponent's library. −X: Put a creature card with converted mana cost X exiled with Ashiok, Nightmare Weav...

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Take an extra turn after this one. Exile Temporal Trespass.

Counter target spell unless its controller pays {1} for each card in your graveyard. Cycling {2} ({2}, Discard this card: Draw a card.)

Return target creature with mana value X to its owner's hand. You create X 1/1 blue Faerie creature tokens with flying.

Draw two cards.

Put target attacking or blocking creature on top of its owner's library.

Exchange control of two target permanents that share a permanent type.

Flash {U}, Sacrifice an Island: Lochmere Serpent can't be blocked this turn. {B}, Sacrifice a Swamp: You gain 1 life and draw a card. {U}{B}: Ex...

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

This spell costs {2} less to cast if it targets a blue spell. Counter target spell unless its controller pays {3}.

Return target nonland permanent to its owner's hand.