Constellation — Whenever an enchantment you control enters, this creature gains flying until end of turn.

Tromokratis has hexproof unless it's attacking or blocking.
Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)

When this creature enters, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.

Flying
At the beginning of your end step, tap all lands you control.

When Trove Mage enters, seek an artifact card from among the top ten cards of your library, then shuffle.

When this creature dies, draw a card.
Encore

As this creature enters, choose a player.
This creature has protection from the chosen player.

Your maximum hand size is increased by two.
At the beginning of your upkeep, return a blue creature you control to its owner's hand.

Whenever Tui and La become tapped, draw a card.
Whenever Tui and La become untapped, put a +1/+1 counter on them.

When this creature enters, create a 1/1 white Glimmer enchantment creature token.

Changeling
: Switch this creature's power and toughness until end of turn.

Whenever you cast a noncreature spell, this creature gets +1/+0 until end of turn and can't be blocked this turn.

Your maximum hand size is twenty.
Whenever you attack with two or more creatures, put a +1/+1 counter on this creature and draw a card.
Whenever this creature attacks, you win the game if there are twenty or more counters on it or you have twenty or more cards in hand.

Flying, vigilance, ward

Flash
Prowess
When Ty Lee enters, tap up to one target creature. It doesn't untap during its controller's untap step for as long as you control Ty Lee.

Sleight of Hand — : Draw two cards.

Devoid
When this creature enters, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target instant or sorcery card from your graveyard to your hand.

When Ultimecia enters, tap all creatures your opponents control.
Whenever a creature you control deals combat damage to a player, draw a card.

Whenever you cast a noncreature spell, if at least four mana was spent to cast it, tap target creature an opponent controls and put a stun counter on it.
Whenever you cast a noncreature spell, if at least eight mana was spent to cast it, put eight +1/+1 counters on Ultros.

Flying
Whenever this creature or another Ally you control enters, you may put a +1/+1 counter on this creature.

Whenever you cast an instant, sorcery, or Wizard spell, this creature gains flying until end of turn.

Morph
Whenever this creature or another permanent is turned face up, you may scry 2.

: Add . Spend this mana only to pay a disturb cost or cast an instant or sorcery spell.

Toxic 1
When this creature enters, up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 for as long as this creature remains on the battlefield.

If a Zombie you control would deal combat damage to a player, instead that player mills that many cards.
Whenever a creature card is put into an opponent's graveyard from their library, exile that card and create a 2/2 black Zombie creature token.

You may have this creature enter as a copy of any creature on the battlefield, except it enters with a shield counter on it if you control that creature.

Flash
This creature enters tapped.

Flying
: This creature gets +1/-1 until end of turn.
Basic landcycling