Pioneer / Post-Modern Era

Spectacle {2}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) When Blade Juggler ...

This spell costs {1} less to cast if you control a Pirate. Counter target spell unless its controller pays {4}.

Choose two target creatures controlled by different players. Return those creatures to their owners' hands.

When Naga Oracle enters the battlefield, look at the top three cards of your library. Put any number of them into your graveyard and the rest back ...

Whenever Phase Dolphin attacks, another target attacking creature can't be blocked this turn.

Relic Runner can't be blocked if you've cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.)

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

Choose one — • Draw three cards. • Return up to two target creatures to their owners' hands.

Constellation — Whenever an enchantment enters the battlefield under your control, target player mills two cards.

Choose one — • Target opponent exiles a creature they control. • Target opponent reveals their hand. You choose a nonland card from it. Exile that ...

Whenever Queen of Ice deals combat damage to a creature, tap that creature. It doesn't untap during its controller's next untap step.

Draw three cards, then discard a card.

Enchant permanent You control enchanted permanent. Cycling {2} ({2}, Discard this card: Draw a card.)

{5}{U}{U}: Frilled Sea Serpent can't be blocked this turn.

Enchant creature When Waterknot enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step.

Flying

Defender When Barrier of Bones enters the battlefield, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

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...

When Overwhelmed Apprentice enters the battlefield, each opponent mills two cards. Then you scry 2. (Look at the top two cards of your library, the...

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...

Flying Other creatures you control with flying get +1/+0.