Flying
Domain — Aven Trailblazer's toughness is equal to the number of basic land types among lands you control.

When Azorius Justiciar enters the battlefield, detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)

, Sacrifice Black Lotus: Add three mana of any one color.

Defender
, Tap another untapped creature you control: Black Oak of Odunos gets +1/+1 until end of turn.

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature
Equip

Trample, infect, indestructible
If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

Draw four cards.
Cycling (, Discard this card: Draw a card.)

Draw three cards, then put two cards from your hand on top of your library in any order.

When Bristling Hydra enters the battlefield, you get (three energy counters).
Pay : Put a +1/+1 counter on Bristling Hydra. It gains hexproof until end of turn.

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Enchant creature
When Castaway's Despair enters the battlefield, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Counter target colorless spell.

This spell can't be countered.
[+2]: Each opponent gets an emblem with "At the beginning of your upkeep, this emblem deals 1 damage to you."
[−3]: Chandra, Awakened Inferno deals 3 damage to each non-Elemental creature.
[−X]: Chandra, Awakened Inferno deals X damage to target creature or planeswalker. If a permanent dealt damage this way would die this turn, exile it instead.

[+1]: Chandra, Pyromaster deals 1 damage to target player or planeswalker and 1 damage to up to one target creature that player or that planeswalker's controller controls. That creature can't block this turn.
[0]: Exile the top card of your library. You may play it this turn.
[−7]: Exile the top ten cards of your library. Choose an instant or sorcery card exiled this way and copy it three times. You may cast the copies without paying their mana costs.

Lifelink
When Charmed Stray enters the battlefield, put a +1/+1 counter on each other creature you control named Charmed Stray.

Equipped creature gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.)
Equip

Flying

Flying
When Conquering Manticore enters the battlefield, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.

Haste
When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.