At the beginning of your first main phase, add . Spend this mana only to cast instant and sorcery spells.

Exile the top four cards of your library in a face-down pile, then exile the top four cards of your library in a face-up pile. An opponent chooses one of those piles. Put that pile into your graveyard. Look at the cards in the other pile. You may cast a spell from among them without paying its mana cost. Put the rest into your hand.

Devoid
Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorless mana as though it were mana of any color to cast that spell.

Vigilance
, : Copy target activated or triggered ability you control from a colorless source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Devoid
Counter target spell unless its controller pays . You create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add ."

When this creature dies, destroy all creatures blocking or blocked by it. They can't be regenerated.

Flying, ward
: Exile another target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step.

: Prevent the next 1 damage that would be dealt to any target this turn.
: Prevent the next 2 damage that would be dealt to target artifact creature this turn.

Choose one —
• You gain 5 life.
• Prevent the next 5 damage that would be dealt to target creature this turn.
Entwine

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.

: Add .
: Add one mana of any color. Spend this mana only to cast a creature spell.
, : Create a 1/1 colorless Shapeshifter creature token with changeling.

Enchant land
When this Aura enters, draw a card.
Enchanted land has ": Add one mana of any color."

Choose land or nonland. Reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and the rest on the bottom of your library in a random order.

Emerge
When you cast this spell, target opponent loses 3 life and you gain 3 life.

Exile target nonland permanent. Its controller creates a Treasure token.

When this creature dies, each player sacrifices a creature of their choice.

When this creature enters, each player sacrifices two creatures of their choice.

: Exile target creature card from a graveyard that was put there this turn. Create a token that's a copy of it, except it's a Nightmare in addition to its other types. Then exile all other Nightmare tokens you control.

Flying
When this creature enters, target player discards two cards.

, : Tap target creature. This creature deals damage equal to its power to that creature.

Whenever this creature attacks and isn't blocked, defending player discards a card.

Whenever an opponent discards a card, this creature gets +2/+2 and gains fear until end of turn.

Flying, trample
You can't win the game and your opponents can't lose the game.

Flying
Whenever this creature deals damage to a player, that player discards a card.

Target player sacrifices an enchantment of their choice. Bolster 1.

When this enchantment enters, put a +1/+1 counter on each creature you control.
Whenever a nontoken creature you control dies, create a 1/1 white Spirit creature token with flying.

: Add , , or .
, , Sacrifice this artifact: Draw a card.

Outlast
Each creature you control with a +1/+1 counter on it has lifelink.