Whenever an opponent loses life for the first time each turn, they lose 3 life.
Whenever an opponent discards a card for the first time each turn, they discard a card.
Whenever an opponent sacrifices a permanent for the first time each turn, they sacrifice a nonland permanent.

Flying
When this creature enters, exile up to one target nontoken creature you don't control.
When this creature leaves the battlefield, the exiled card's owner draws X cards and gains X life, where X is half that card's mana value, rounded up.

Flash
Whenever Convol enters or attacks, untap target creature you control. Until end of turn, it has base power and toughness 5/5 and gains hexproof and “Whenever this creature deals combat damage to a player, draw two cards.”

Flying
Flow — {2}{W/U}: Another target creature you control gains flying until end of turn. Activate only as a sorcery.

As an additional cost to cast this spell, sacrifice an artifact or creature, or pay 3 life.
Destroy target creature or planeswalker.

Whenever a Subroutine you control runs, exile the top card of your library face-down.
{R}, Discard your hand, Sacrifice this enchantment: Put all cards exiled with this enchantment into your hand.

Crucible Takedown deals damage to target creature equal to the greatest mana value among permanents you control. Surveil 2.

Ward {3}
{2}{U}, Discard this card: Counter target spell with mana value 4 or less.

Level up {1}{G}
[level 1-2] Whenever you cast a creature spell with power 3 or greater, draw a card.
[level 3+] Whenever you cast a creature spell with power 3 or greater, copy it.

As an additional cost to cast this spell, tap an untapped creature you control with a level counter on it or pay {3}.
Exile target creature or enchantment.

When this creature enters, create a 2/2 blue Bird enchantment creature token with flying.

Damn to Hell deals X damage divided as you choose among any number of target creatures and/or planeswalkers and you gain X life, where X is the number of Swamps you control plus the number of cards with a cycling ability in your graveyard.
Swampcycling {2}

Flying
Whenever a creature you control attacks alone, if a creature you control that isn't attacking has flying, the attacking creature gains flying until end of turn. The same is true for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, protection, and trample.

Ninjutsu {U}
Whenever this creature deals combat damage to a player or planeswalker, you may draw a card. If you do, discard a card unless this creature entered this turn.

Vigilance
Whenever Darisha enters or attacks, create a white enchantment token named Stratagem with “Creatures you control get +1/+1.”

This artifact enters tapped.
{T}: Add one mana of any color. Spend this mana only to cast Subroutine spells.
{4}, {T}: Draw a card. This ability costs {1} less to activate for each time a Subroutine ran under your control this turn.

Lifelink
Corrupt — When this creature enters, return target creature card from your graveyard to your hand. If you cast this creature and you control a permanent with greater mana value than this creature, return that card to the battlefield instead.

Trample
Other creatures you control have trample.
When this creature dies, it deals 5 damage to target opponent unless they have you draw two cards.

{2}{U}, {T}: Draw a card.
{6}{U}{U}, {T}: Draw four cards.

Trample
When this creature dies, exile the top five cards of your library. Until the end of your next turn, you may cast a nonland card from among them by paying life equal to its mana value rather than pay its mana cost.

Flash
When this creature enters, if it was cast, counter target noncreature spell unless its controller pays {1} for each creature you control.

Choose one —
• Counter target spell unless its controller pays {2}.
• Counter target activated or triggered ability from a nonland source unless its controller pays {2}.

Whenever you sacrifice a permanent, double this creature's power until end of turn.
When this creature dies, create an X/X black Demon creature token, where X is this creature's power.

Gain control of target creature. Untap it. It gains trample and haste until end of turn. Sacrifice it at the beginning of the next end step.
Cycling {2}