Vigilance
At the beginning of your end step, exile up to one target artifact you control and up to one target creature you control. Then return them to the battlefield under their owners' control.

Counter target creature spell. Put a +1/+1 counter on up to one target creature you control.

Whenever a creature you control with power 4 or greater enters, this creature gets +1/+1 and gains vigilance until end of turn.

(: Add .)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
: Destroy target creature that dealt damage to you this turn.

Flash
Drag Below — When this creature enters, tap it and up to one target creature an opponent controls. They don't untap during their controllers' next untap steps.

: Add one mana of any color.

(: Add or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

Target player draws two cards and loses 2 life.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, it deals 2 damage to target creature.
When this creature leaves the battlefield, it deals 4 damage to target creature.

Creatures target opponent controls get -1/-1 until end of turn. 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.)

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a 2/1 white and black Inkling creature token with flying.
: Level 2
Whenever you lose life for the first time each turn, put a +1/+1 counter on target creature you control.
: Level 3
At the beginning of each end step, if a modified creature died under your control this turn, create a 2/1 white and black Inkling creature token with flying. (Equipment, Auras you control, and counters are modifications.)

Reach
Void — At the beginning of your end step, if a nonland permanent left the battlefield this turn or a spell was warped this turn, put a +1/+1 counter on this creature.

: This creature gets +5/+5 and gains trample until end of turn.

Soul Sear deals 5 damage to target creature or planeswalker. That permanent loses indestructible until end of turn.

This spell costs less to cast if it targets a creature with flying.
Enchant creature
Enchanted creature gets -5/-3.

, , Sacrifice a creature: This creature deals 2 damage to any target.

If an opponent would create one or more tokens, they create half that many of each of those kinds of tokens instead, rounded down.
If an opponent would put one or more counters on a permanent or player, they put half that many of each of those kinds of counters on that permanent or player instead, rounded down.

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

Double strike
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on it.