Choose one or both —
• Return target creature card from your graveyard to your hand.
• Return target land card from your graveyard to your hand.

Create a 1/1 green Squirrel creature token.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Target creature gets -3/-3 until end of turn.

Flying
When this creature enters, you may discard a card. If you do, investigate twice.
, Tap X untapped artifacts you control: Copy target instant or sorcery spell you control with mana value X. You may choose new targets for the copy.

: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control this creature.

As this land enters, choose a creature type.
: Add .
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Exile target artifact, enchantment, or creature with flying.

(: Add .)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Flying, vigilance
When this creature enters, put a flying counter on each creature that convoked it.

Enchant creature
When enchanted creature leaves the battlefield, its controller sacrifices a creature of their choice.

This land enters tapped.
: Add , , or .

At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn. Then that creature gains menace until end of turn if creatures you control have total power 8 or greater. (It can't be blocked except by two or more creatures.)

Affinity for artifacts (This spell costs less to cast for each artifact you control.)
Flying
When this creature enters, draw two cards.

(: Add .)

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has first strike.

Trample
, Sacrifice a land: Draw a card.
Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

You draw three cards and you lose 3 life.

Howling Gale deals 1 damage to each creature with flying and each player.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

(: Add .)

Whenever this creature attacks, create a token that's a copy of another target attacking creature and that's tapped and attacking. Exile the token at end of combat.
Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)