Menace
When this creature enters, for each nonland permanent your opponents control, its controller sacrifices it unless they pay life equal to 2 plus its mana value.

Menace
Error spells you cast cost {X} less to cast, where X is the total amount of life your opponents have lost this turn.

When this artifact enters, draw a card.
{1}, {T}: Add one mana of any color.

{T}: Add {C}. If this land entered this turn, you may add one mana of any color instead.
{4}, {T}: Create a tapped 1/1 colorless Fox Shapeshifter creature token with changeling.

As this creature enters, choose a creature type.
This creature is the chosen creature type in addition to its other types.
{2}: This creature becomes a copy of another target creature you control of the chosen type until end of turn.

You may pay {3} rather than this spell's mana cost. If you do, it enters tapped with three stun counters on it.

Deathtouch
Whenever Qion enters or attacks, you may reveal the top two cards of your library. If you do, you gain life equal to their total mana value, put them into your hand, then lose 7 life.

Whenever another Subroutine you control enters, it runs.
Whenever this Subroutine runs, create an X/X colorless Construct artifact creature token, where X is the number of Subroutines you control.

Whenever this Subroutine runs, surveil 2.
{1}{B}, Pay 2 life, Sacrifice this Subroutine: Draw two cards.

Whenever this Subroutine runs, each player may shuffle their hand and graveyard into their library, then draw seven cards.

Whenever this Subroutine runs, creatures you control get +3/+3 and gain trample until end of turn.

Whenever this Subroutine runs, return target creature card with mana value 3 or less from your graveyard to the battlefield.

Draw three cards. Then discard a card unless a Subroutine ran under your control this turn.

When this creature enters, create a Treasure token.
Damned — At the beginning of your end step, this creature deals 1 damage to each opponent and you gain 1 life if you've sacrificed a permanent this turn.

Trample
When this creature enters, you may sacrifice two nonland, non-Serpent permanents. If you do, create a 6/6 green Serpent creature token with trample. Repeat this process any number of times.

Flying
As long as it's your turn, this creature has first strike.
Mountaincycling {2}

Destroy target artifact or enchantment.
Cycling {2}

Revered
Whenever this creature deals combat damage to a player, draw a card.

Surveil 2. When you do, return up to one target creature card from your graveyard to the battlefield.

{T}, Discard a card: Create a blue Subroutine enchantment token named READ with “Whenever this Subroutine runs, draw a card.” Activate only as a sorcery.

Trample
When this creature enters, separate your graveyard into two piles. An opponent chooses one of those piles. Put that pile into your hand and shuffle the other into your library.

Trample
{3}{G}: Return this card from your graveyard to the battlefield tapped with a finality counter on it.

{1}, {T}: Return target permanent you control to its owner's hand. Activate only as a sorcery.

Menace
Corrupt — When this creature enters, if you control a permanent with greater mana value, exile the top card of your library. You may play it on any turn a creature you control dealt damage to a player.

Flying
When this creature enters, exile up to one other target creature or Subroutine. Return that card to the battlefield under its owner's control at the beginning of the next end step. If a creature enters under an opponent's control this way, it enters tapped with a stun counter on it.