At the beginning of your upkeep, destroy target nonland permanent with the lowest mana value. (If two or more permanents are tied for lowest cost, target any one of them.)

Destroy each creature with mana value 3 or less.

As an additional cost to cast this spell, sacrifice a creature.
Add .

This creature enters tapped.
: Return this card from your graveyard to the battlefield. Activate only if a non-Skeleton creature died under your control this turn.

, : Target player discards a card. Activate only as a sorcery.
, : This creature deals 1 damage to target opponent or planeswalker.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, this creature gains lifelink until end of turn.

Whenever Cult of Skaro attacks, choose one at random —
• Thay — Put a +1/+1 counter on each artifact creature you control.
• Caan — Draw two cards.
• Sec — Create a 3/3 black Dalek artifact creature token with menace.
• Jast — Each opponent loses 4 life.

Whenever a permanent you control transforms into a non-Human creature, create a 2/2 green Wolf creature token.

When this creature enters, put a -1/-1 counter on target creature.

Commander creatures you own get +3/+3 and have flying, deathtouch, "Ward — Pay 3 life," and "At the beginning of your upkeep, sacrifice a creature."

Equipped creature gets +2/+2.
Equip

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Devoid
: Add . Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains .

Fabricate 2
Whenever this creature attacks, you may have other attacking creatures get +X/+X until end of turn, where X is this creature's power.

: Add one mana of any color.
Crew 3

Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures. (This effect lasts indefinitely.)

When this creature enters or is turned face up, target creature blocks this turn if able.
Disguise

Creatures your opponents control get -1/-0.

Enchant creature
Enchanted creature gets +3/+3.
When enchanted creature attacks or blocks, sacrifice this Aura at the beginning of the next cleanup step.

: Target opponent discards a card. Activate only during your turn, before attackers are declared.

Flash
Flying
When this creature enters, secretly choose land or nonland. Seek two cards of the chosen kind.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
At the beginning of the end step, if there are two or more ki counters on this creature, you may flip it.

Flying
Whenever you cast a noncreature spell, this creature gets +2/+2 until end of turn.

Haste
When this creature enters, another target creature you control gets +1/+1 and gains haste until end of turn.
Plot

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Kicker
When this creature enters, if it was kicked, return up to one other target creature to its owner's hand.

If this creature is unblocked, you may have it assign its combat damage to a creature defending player controls.

At the beginning of your upkeep, each player discards a card.