Destroy target permanent an opponent controls. Its controller reveals cards from the top of their library until they reveal a permanent card that shares a card type with that permanent. They put that card onto the battlefield and the rest on the bottom of their library in a random order.

: Create a 3/3 green Centaur creature token.
: Populate. (Create a token that's a copy of a creature token you control.)

When this creature enters, you may destroy target enchantment.

Trample
Whenever an opponent gains life, put that many +1/+1 counters on this creature.

: Return this card from your graveyard to the battlefield tapped.

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

First strike
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
Whenever this creature attacks, if it's renowned, other attacking creatures you control get +1/+1 until end of turn.

Destroy target nonlegendary creature.

Target creature gains flying until end of turn. If you control a white permanent, return View from Above to its owner's hand.

Escalate (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Destroy target artifact.
• Destroy target enchantment.
• Target creature gains hexproof and indestructible until end of turn.

: Draw a card, then discard a card.

Protection from black
Shadow (This creature can block or be blocked by only creatures with shadow.)

At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.
: This enchantment deals 1 damage to target blocking creature.

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand.
, : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

When this creature is put into your graveyard from the battlefield, at the beginning of the next end step, you lose 1 life and return this card to your hand.

First strike
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever a creature you control that's enchanted or equipped attacks, that creature gains double strike until end of turn.

Other Merfolk you control get +1/+1.

Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.

, , Discard a card: Target creature gets +X/+0 until end of turn.

Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

: Create a 1/1 green Saproling creature token.

Double target creature's power until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.

Target player sacrifices a creature of their choice.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spree (Choose one or more additional costs.)
+ — Search your library for a card, put it into your graveyard, then shuffle.
+ — Return up to two creature cards with total mana value 4 or less from your graveyard to the battlefield.

Whenever equipped creature attacks alone, it gets +1/+1 until end of turn for each other creature you control.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When this enchantment enters, exile target creature an opponent controls with mana value 3 or less.
When this enchantment leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

Reach, hexproof

Rally — Whenever this creature or another Ally you control enters, creatures you control gain first strike until end of turn.

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.
Flashback—, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
: Target creature an opponent controls attacks this turn if able.
, : Attacking creatures get -1/-1 until end of turn.

Whenever you cast an instant or sorcery spell, you may tap two untapped creatures you control. If you do, draw a card.
: Creatures you control get +1/+1 and gain vigilance until end of turn.

Protection from red
Whenever a player casts a red spell, you may gain 1 life.

Vigilance
Whenever this creature attacks, it gains flying until end of turn if you control a creature with flying. The same is true for first strike, double strike, deathtouch, indestructible, lifelink, menace, and trample.

Draw a card.
Splice onto instant or sorcery (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)