Infiltrator il-Kor

Aven Augur

Creature — Bird Wizard (2/2)

Flying
Sacrifice Aven Augur: Return up to two target creatures to their owners' hands. Activate only during your upkeep.

Cryptic Annelid

Creature — Worm Beast (1/4)

When Cryptic Annelid enters the battlefield, scry 1, then scry 2, then scry 3. (To scry X, look at the top X cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Linessa, Zephyr Mage

Legendary Creature — Human Wizard (3/3)

, : Return target creature with mana value X to its owner's hand.
Grandeur — Discard another card named Linessa, Zephyr Mage: Target player returns a creature they control to its owner's hand, then repeats this process for an artifact, an enchantment, and a land.

Magus of the Future

Creature — Human Wizard (2/3)

Play with the top card of your library revealed.
You may play lands and cast spells from the top of your library.

Mesmeric Sliver

Creature — Sliver (2/2)

All Slivers have "When this permanent enters the battlefield, you may fateseal 1." (To fateseal 1, its controller looks at the top card of an opponent's library, then they may put that card on the bottom of that library.)

Unblinking Bleb

Creature — Illusion (1/3)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Whenever Unblinking Bleb or another permanent is turned face up, you may scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Venser, Shaper Savant

Legendary Creature — Human Wizard (2/2)

Flash
When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

Whip-Spine Drake

Creature — Drake (3/3)

Flying
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Sliver Legion

Legendary Creature — Sliver (7/7)

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

Cutthroat il-Dal

Creature — Human Rogue (4/1)

Hellbent — Cutthroat il-Dal has shadow as long as you have no cards in hand. (It can block or be blocked by only creatures with shadow.)

Knight of Sursi

Creature — Human Knight (2/2)

Flying; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Nihilith

Creature — Horror (4/4)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Suspend 7— (Rather than cast this card from your hand, you may pay and exile it with seven time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)
Whenever a card is put into an opponent's graveyard from anywhere, if Nihilith is suspended, you may remove a time counter from Nihilith.

Shivan Sand-Mage

Creature — Viashino Shaman (3/2)

When Shivan Sand-Mage enters the battlefield, choose one —
• Remove two time counters from target permanent or suspended card.
• Put two time counters on target permanent with a time counter on it or suspended card.
Suspend 4—

Baru, Fist of Krosa

Legendary Creature — Human Druid (4/4)

Whenever a Forest enters the battlefield, green creatures you control get +1/+1 and gain trample until end of turn.
Grandeur — Discard another card named Baru, Fist of Krosa: Create an X/X green Wurm creature token, where X is the number of lands you control.

Blind Phantasm

Creature — Illusion (2/3)

Bloodshot Trainee

Creature — Goblin Warrior (2/3)

: Bloodshot Trainee deals 4 damage to target creature. Activate only if Bloodshot Trainee's power is 4 or greater.

Bonded Fetch

Creature — Homunculus (0/2)

Defender, haste
: Draw a card, then discard a card.

Centaur Omenreader

Snow Creature — Centaur Shaman (3/3)

As long as Centaur Omenreader is tapped, creature spells you cast cost less to cast.

Char-Rumbler

Creature — Elemental (-1/3)

Double strike
: Char-Rumbler gets +1/+0 until end of turn.

Cloudseeder

Creature — Faerie Spellshaper (1/1)

Flying
, , Discard a card: Create a 1/1 blue Faerie creature token named Cloud Sprite. It has flying and "Cloud Sprite can block only creatures with flying."