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

Landfall — Whenever a land you control enters, choose one —
• Tap target creature an opponent controls.
• Untap target creature you control.

: Target creature can't be blocked this turn.

Whenever this creature attacks, scry 1.
Whenever you scry, tap up to X target nonland permanents, where X is the number of cards looked at while scrying this way.

, , Sacrifice this creature: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Whenever Emerald Collector deals combat damage to a player, draw a card.
When you draw your third card in a turn, conjure a card named Mox Emerald into your hand. This ability triggers only once.
: Emerald Collector has base power and toughness 4/4 until end of turn.

Flying, ward
This creature enters prepared.
Whenever this creature attacks, you may exile eight cards from your graveyard. If you do, this creature becomes prepared.

You may look at the top card of your library any time.
You may cast Merfolk spells from the top of your library.
Whenever you cast a Merfolk spell, you may pay . If you do, create a 1/1 blue Merfolk creature token.

Thopters you control get +2/+0.
At the beginning of your upkeep, conjure a card named Ornithopter into your hand.

, : Gain control of target legendary permanent. (This effect lasts indefinitely.)

Devoid
Flying
Whenever you draw your second card each turn, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."

Affinity for artifacts
When Emry enters, mill four cards.
: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Level up

Multikicker
Islandwalk
This creature enters with a +1/+1 counter on it for each time it was kicked.

Flying
Whenever this creature attacks, it becomes prepared.

, Sacrifice this creature: Target player mills three cards.
Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.

Prowl
Flying
When this creature enters, for each opponent, return up to one target nonland permanent that player controls to its owner's hand.

When this creature enters, create a 3/2 colorless Eldrazi Horror creature token.

Flash
Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, draw a card.

Flying
When this creature enters, if you cast it, target opponent takes an extra turn after this one. Until your next turn, you and planeswalkers you control gain protection from that player.

Flying
Discard a card: Return this creature to its owner's hand.

Flying
Whenever the fourth spell of a turn is cast, flip Erayo.

Flying
Whenever you investigate for the first time each turn, investigate an additional time.

Flying
Suspend 4 —

Flash
Defender, haste
, : Copy target spell you control that wasn't cast. You may choose new targets for the copy.

Flying, vigilance
Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, this creature gets +1/+1 until end of turn.

, : Draw a card, then discard a card.

, : Counter target spell.

Phasing
When this creature phases out or leaves the battlefield, mill three cards.
: Until your next upkeep, this creature can't phase out.

Whenever you draw your second card each turn, put a +1/+1 counter on this creature.