Guilds of Ravnica

Surveil 2, then draw a card. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest...

Instant and sorcery spells you cast cost {1} less to cast.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target. Whenever a player casts an instant ...

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

Etrata, the Silencer can't be blocked. Whenever Etrata deals combat damage to a player, exile target creature that player controls and put a hit co...

When Guild Summit enters the battlefield, you may tap any number of untapped Gates you control. Draw a card for each Gate tapped this way. Whenever...

You may look at an additional two cards each time you surveil. Exile Enhanced Surveillance: Shuffle your graveyard into your library.

Whenever you cast a blue spell, target player puts the top two cards of their library into their graveyard.

Counter target spell. Ionize deals 2 damage to that spell's controller.

Whenever you cast an instant or sorcery spell, put a charge counter on Firemind's Research. {1}{U}, Remove two charge counters from Firemind's Rese...

Flying Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down,...

Flying When Watcher in the Mist enters the battlefield, surveil 2. (Look at the top two cards of your library, then put any number of them into you...

Defender

Whenever Vedalken Mesmerist attacks, target creature an opponent controls gets -2/-0 until end of turn.

Return target creature to its owner's hand. Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Counter target spell. Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Return X target creatures of the creature type of your choice to their owner's hand.

{2}{U}: Target creature can't be blocked this turn.

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

Flying Whenever Nightveil Sprite attacks, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Flying When Muse Drake enters the battlefield, draw a card.

Target creature gets +1/+1 and gains flying until end of turn. Jump-start (You may cast this card from your graveyard by discarding a card in addit...

Leapfrog has flying as long as you've cast an instant or sorcery spell this turn.