Whenever Neotech Skyguard attacks, it gains flying until end of turn. If you control a permanent you don't own, it also gets +1/+1 until end of turn.

Flying
Whenever one or more artifacts an opponent controls enter, that player sacrifices them unless they pay {1}.
Nonbasic lands your opponents control enter tapped.

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Karametra.
Whenever you sacrifice Ordeal of Karametra, put a +1/+1 counter on each creature you control. Untap them.

Choose one —
• Draw two cards.
• Put a +1/+1 counter on target creature, scry 1, then draw a card.

Flash
Daggertooth Keelah can't block unless it entered this turn.
{1}{B}, Exile a permanent card from your graveyard: Daggertooth Keelah gains indestructible until end of turn.

Flying
When this creature enters, create a black Subroutine enchantment token named TICK with “Whenever this Subroutine runs, each opponent loses 1 life and you gain 1 life.”

When Codename: Ant dies, you may search your library for a card named Codename: Ant, reveal it, put it into your hand, then shuffle.

Flying
When Squallrunner Duo enters, create a 1/1 white Human creature token.
Nontoken creatures you control that have attacked this turn have wander {2}.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. You may spend mana of any type to activate its abilities this turn.

Haste
Whenever you cast a spell that targets Rathomar Raider, target creature can't block this turn.

Whenever one or more permanent cards are put into graveyards, each opponent loses 1 life and you gain 1 life.
[+2]: Mill two cards.
[+1]: Sacrifice a land or discard a land card. If you do, you may play target creature or land card in your graveyard this turn.
[–3]: Each player sacrifices a creature. Return a creature card from your graveyard to your hand.

This land enters tapped.
Level up {U}{U}{U}
[level 1-2] Vigilance
This land is also a creature.
[level 3+] Vigilance
This land is also a creature.

Whenever you sacrifice Koraja, exile it. Until the end of your next turn, you may cast it from exile.
When Koraja enters, if it wasn't cast from your hand, you may discard your hand. If you do, draw two cards.

Whenever a creature you control becomes the target of a spell or ability that targets only it, you may copy that spell or ability for each other creature you control that spell or ability could target. Each copy targets a different one of those creatures. Do this only once each turn.

Creatures you control can't be blocked unless defending player pays {1} for each creature blocking it.
Creatures can't attack you unless their controller pays {1} for each creature they control that's attacking you.

Mass of Remains's power is equal to the total number of permanent cards you own in your graveyard and in exile.
Spellcharge 3

Choose one. If your devotion to white is three or greater, you may choose another. The same is true for devotion to blue.
• Counter target spell.
• Target player draws a card.
• Target player gains 4 life.

Once during each of your turns, you may cast a creature spell with mana value 2 or less from your graveyard. If you do, it enters with a finality counter on it.
{W}{B}: Keuya's Presence becomes a 3/2 Dragon creature with flying in addition to its other types.

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.

Whenever you attack, Sunny Day deals X damage to target player or planeswalker, where X is the number of attacking creatures.

Amity — Whenever you attack with Splashing Mudskipper and exactly one other creature, surveil 1. When Splashing Mudskipper deals combat damage to a player this combat, you may transform it.

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.

Trample
When Scourge of Capitalism enters, it fights target creature with the greatest power or tied for the greatest power among creatures you don't control. Excess damage is dealt to that creature's controller instead.

Flash
{1}{U/B}, Discard this card: Surveil 1, then draw a card.

When you cast this spell, copy it if you control a creature with flying. You may choose new targets for the copy.
Tap up to one target artifact or creature. Create a 1/1 blue Bird creature token with flying.