When this artifact enters, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power.
Craft with one or more creatures
: Return this card from your graveyard to your hand.

Exile target artifact or enchantment.

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Return target creature card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)

Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)
Flashback

At the beginning of your end step, put a +1/+1 counter on target creature you control.

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

Nontoken creatures you control get +1/+1 and have vigilance.

Flying
Whenever Maelstrom Muse attacks, the next instant or sorcery spell you cast this turn costs less to cast, where X is Maelstrom Muse's power as this ability resolves.

Ward — Pay 3 life.
Whenever you gain life, Amalia Benavides Aguirre explores. Then destroy all other creatures if its power is exactly 20.

Flash
Flying
Tail Spikes — When Manticore enters, destroy target creature an opponent controls that was dealt damage this turn.

Trample
Amarant Coral attacks each combat if able.
No Mercy — Whenever Amarant Coral deals combat damage to an opponent, it deals that much damage to each other opponent.

Defender
: This creature gains indestructible until end of turn.

Flying
Whenever another permanent you control enters, look at the top card of your library. If it shares a card type with that permanent, you may reveal that card and put it into your hand.

Vigilance
Menace
, Exile Masked Bandits from your hand: Target land gains ": Add , , or " until Masked Bandits is cast from exile. You may cast Masked Bandits for as long as it remains exiled.

Draw three cards, then put a card from your hand on the bottom of your library.

Flying
When Master of Winds enters, draw two cards, then discard a card.
Whenever you cast an instant, sorcery, or Wizard spell, you may have Master of Winds's base power and toughness become 5/1 or 1/5 until end of turn.

Sacrifice Amateur Auteur: Destroy target enchantment.

When this creature enters, you gain 2 life.

Choose one or both —
• Counter target spell.
• Tap one or two target creatures.

Creatures you control get +1/+1.
Whenever you attack with one or more legendary creatures, you gain that much life.

Web-slinging
Flying, vigilance

Vigilance, reach
Each legendary spell you cast that's one or more colors has web-slinging .

When Ambassador Blorpityblorpboop enters, you get , then you may put a sticker on a nonland permanent you own.
At the beginning of each combat, you may have Ambassador Blorpityblorpboop's base power and toughness become equal to the total power and toughness of all stickers on permanents you control.

: Target player mills three cards.

When this creature enters, create a 1/1 green Elf Warrior creature token.

Landfall — Whenever a land you control enters, a random land card in your library perpetually gains "Whenever this land becomes tapped, draw a card."