Eventide

{U/R}: Stream Hopper gains flying until end of turn.

Whenever you cast a spell that's both blue and red, Riverfall Mimic has base power and toughness 3/3 until end of turn and can't be blocked this turn.

When Wistful Selkie enters the battlefield, draw a card.

Gain control of target creature until end of turn. Untap that creature. It gets +X/+0 and gains haste until end of turn.

Flying Wither (This deals damage to creatures in the form of -1/-1 counters.) Whenever Needle Specter deals combat damage to a player, that player ...

Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card....

{T}: Add {C}. {R/W}, {T}: Add {R}{R}, {R}{W}, or {W}{W}.

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

When Nucklavee enters the battlefield, you may return target red sorcery card from your graveyard to your hand. When Nucklavee enters the battlefie...

{1}{U/R}{U/R}: Copy target instant or sorcery spell that targets you. You may choose new targets for the copy.

Whenever a permanent you control becomes untapped, Wake Thrasher gets +1/+1 until end of turn.

Target creature gets +4/+4 until end of turn. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying i...

{T}: Target red or green creature gets -2/-0 until end of turn.

Indestructible Whenever Sapling of Colfenor attacks, reveal the top card of your library. If it's a creature card, you gain life equal to that car...

Create two 1/1 white Kithkin Soldier creature tokens. Retrace (You may cast this card from your graveyard by discarding a land card in addition to ...

{2}: Draw a card if you have no cards in hand.

Wither (This deals damage to creatures in the form of -1/-1 counters.) {R/W}: Duergar Cave-Guard gets +1/+0 until end of turn.

At the beginning of your upkeep, return a permanent you control to its owner's hand.

Enchant creature Enchanted creature can't attack or block. At the beginning of your upkeep, you may gain 1 life.

Flying Evershrike gets +2/+2 for each Aura attached to it. {X}{W/B}{W/B}: Return Evershrike from your graveyard to the battlefield. You may put a...

{T}: Target creature gains flying until end of turn. Whenever you cast a blue spell, you may untap Merrow Levitator.

Prevent all damage that would be dealt to you and permanents you control this turn.

Sturdy Hatchling enters the battlefield with four -1/-1 counters on it. {G/U}: Sturdy Hatchling gains shroud until end of turn. (It can't be the t...

When Hag Hedge-Mage enters the battlefield, if you control two or more Swamps, you may have target player discard a card. When Hag Hedge-Mage enter...