Whenever you cast a noncreature spell, draw a card.

Whenever you cast a spell with a squirrel in its art, you get {A} (an acorn counter).
Whenever a Squirrel you control enters the battlefield or dies, you get {A}.
, Pay X {A}: Target creature gets -X/-X until end of turn.
, Pay X {A}: Target creature gets +X/+X until end of turn.

[+1]: Distribute three +1/+1 counters among one, two, or three target creatures you control.
[+1]: Look at the top four cards of your library. You may reveal an Aura, creature, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
[−8]: You gain 100 life.

Flash
If an opponent would draw two or more cards, instead you and that player each draw a card.

Vigilance, reach

Choose one —
• Target creature gets +1/+1 and gains first strike until end of turn.
• Target Pirate gets +1/+1 and gains double strike until end of turn.

Creatures you control gain indestructible. Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.

Attacking creatures get +2/+0 until end of turn. Dinosaurs you control gain trample until end of turn.

Menace, deathtouch
When Dire Fleet Ravager enters the battlefield, each player loses a third of their life, rounded up.

, , Discard a card: Draw a card.
, , Sacrifice Dismissive Pyromancer: It deals 4 damage to target creature.

At the beginning of combat on your turn, target creature you control gets +2/+0 until end of turn.

Expedition Champion gets +2/+0 as long as you control another Warrior.

Kicker—Sacrifice an artifact or Goblin. (You may sacrifice an artifact or Goblin in addition to any other costs as you cast this spell.)
Goblin Barrage deals 4 damage to target creature. If this spell was kicked, it also deals 4 damage to target player or planeswalker.

When Golgari Findbroker enters the battlefield, return target permanent card from your graveyard to your hand.

All graveyards are also your graveyards.
Graveyard Busybody's power and toughness are each equal to the number of cards with flavor text in your graveyards.

: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)
Whenever one or more +1/+1 counters are put on Growth-Chamber Guardian, you may search your library for a card named Growth-Chamber Guardian, reveal it, put it into your hand, then shuffle your library.

Trample
Whenever you cast a spell, if that spell was kicked, put a +1/+1 counter on Hallar, the Firefletcher, then Hallar deals damage equal to the number of +1/+1 counters on it to each opponent.

Whenever you cast a multicolored spell, create a 1/1 white Human creature token.

Exile target colorless creature. You gain life equal to its power.

Choose target creature you control and target creature you don't control. The creature you control gets +2/+1 until end of turn if it's a Knight. Then those creatures fight each other. (Each deals damage equal to its power to the other.)