Flying
When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)
: Target creature with a +1/+1 counter on it gains flying until end of turn.

Other creatures you control get +1/+1.
When Trostani enters, create two 1/1 white Soldier creature tokens with lifelink.
At the beginning of your end step, each player gains control of all creatures they own.

When this enchantment enters, mill ten cards.
At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.

Menace (This creature can't be blocked except by two or more creatures.)

When this creature enters, you draw a card and you lose 1 life.

Flying, trample
When Rakdos enters, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
Draw two cards, then discard a card.

Defender
: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)
As long as this creature has a +1/+1 counter on it, it can attack as though it didn't have defender.

When this creature enters, you may have it fight target creature you don't control. (Each deals damage equal to its power to the other.)

Trample
Whenever this creature enters or attacks, mill five cards. You may put a creature card and/or a land card from among them into your hand.

Flying
Whenever this creature deals combat damage to a player, any number of target players each mill that many cards. Then you may collect evidence 9. When you do, you may cast target nonland card from defending player's graveyard without paying its mana cost.

When this creature enters, create a 4/4 white Angel creature token with flying.

Whenever this creature enters or attacks, create a green and white Elemental creature token with "This token's power and toughness are each equal to the number of creatures you control."

Each player chooses up to two creatures they control, then sacrifices the rest. Then you create a tapped Treasure token for each creature your opponents control.

Trample
Whenever this creature deals combat damage to a player, create a token that's a copy of this creature.