At the beginning of each player's end step, if an artifact entered the battlefield under your control this turn, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they draw a card.)
Enchant creature
When this Aura enters, tap enchanted creature. If the gift wasn't promised, put three stun counters on it.
You control enchanted creature.

When this creature dies, you gain 3 life.

When this creature enters, for each spent to cast it, draw a card.
When this creature enters, for each spent to cast it, each opponent discards a card.
When this creature enters, for each spent to cast it, it gets +1/+0 and gains trample and haste until end of turn.

When this creature enters, you lose 2 life.

Enchant creature
Enchanted creature has ": This creature deals 1 damage to any target."

(: Add .)

As an additional cost to cast this spell, discard a card.
Draw two cards.

(: Add .)

Exile target spell, then roll a d20 and add that spell's mana value.
1—14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

If a nontoken creature an opponent controls would die, exile that card with an ice counter on it instead.
You may cast spells from among cards in exile your opponents own with ice counters on them, and you may spend mana from snow sources as though it were mana of any color to cast those spells.

Trample
When this creature enters, create a 3/3 green Dinosaur creature token with trample.

Flying

When this creature enters, choose one —
• Create a 1/1 black and green Pest creature token with "When this token dies, you gain 1 life."
• You draw a card and you lose 1 life.
• Exile target player's graveyard.

, Exile two cards from your graveyard: Draw a card.
If damage would be dealt to you, prevent that damage. Exile a card from your graveyard for each 1 damage prevented this way.
When there are no cards in your graveyard, you lose the game.

Flash
When this creature enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Flying
: This creature gets +1/+0 until end of turn.

This land enters tapped.
: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)