If a creature you control attacking causes a triggered ability of a permanent you control to trigger, if that creature is attacking alone, that ability triggers two additional times.

When this Equipment enters, create a 1/1 white Citizen creature token, then attach this Equipment to it.
Equipped creature gets +2/+1 and has trample.
Equip {4}

Haste
Level up {2}{R}
[level 1-2] Haste
Whenever this creature attacks, it deals 2 damage to any target.
[level 3+] Haste
Whenever this creature attacks, it deals 5 damage to any target.

This spell costs {1} less to cast for each creature you control.
Create X 1/1 white Citizen creature tokens.

Level up {2}{U}
[level 1-2] If an ability of a permanent you control triggers, it triggers an additional time.
[level 3+] If an ability of a permanent you control triggers, it triggers two additional times.

Fabric — This spell costs {1} less to cast for each enchantment you control.
Vigilance

Corrupt — When this creature enters, if it isn't a token and you control a permanent with greater mana value than it, create a token that's a copy of this creature.
{T}: Add {G}.

Time loop
I — Up to one other target nonland permanent phases out.
II — Draw two cards.
III — Create a blue enchantment token named Time Bubble with “Spells you cast cost {1} more to cast.”

Damned — When this creature enters, mill three cards. If you've sacrificed a permanent this turn, you may return one of the milled cards to your hand.

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.