Fesbra

Patchwork Crawler

{2}{U}: Exile target creature card from your graveyard and put a +1/+1 counter on this creature.
This creature has all activated abilities of all creature cards exiled with it.

Ares, God of War

Ares attacks each combat if able.
Whenever an attacking creature you control dies, return that card to its owner's hand.

He's an ace pilot and fighter jet, all in one.

MACH-1, Swooping Scoundrel

Flying
When MACH-1 enters and whenever you gain life, surveil 1. This ability triggers only once each turn. (To surveil 1, look at the top card of your library. You may put it into your graveyard.)

The staff flared and rattled erratically, every twirl driving the wolf to greater heights of rage.

Battle-Rattle Shaman

At the beginning of combat on your turn, you may have target creature get +2/+0 until end of turn.

Powder Ganger

Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters, create that many tokens that are copies of it.)
When this creature enters, destroy up to one target artifact.

"Old human junk. Worst kind of human junk."

Break Down

Destroy target artifact or enchantment. Create a Junk token. (It's an artifact with "{T}, Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Boros Guildmage

{1}{R}: Target creature gains haste until end of turn.
{1}{W}: Target creature gains first strike until end of turn.

Starving Revenant

When this creature enters, surveil 2. Then for each card you put on top of your library, you draw a card and you lose 3 life.
Descend 8 — Whenever you draw a card, if there are eight or more permanent cards in your graveyard, target opponent loses 1 life and you gain 1 life.

"Learn all you can of this underground sea. I suspect more secrets of our ancestors lie waiting in its depths."
—Tishana

Merfolk Cave-Diver

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

Malcolm, Alluring Scoundrel

Flash
Flying
Whenever Malcolm deals combat damage to a player, put a chorus counter on it. Draw a card, then discard a card. If there are four or more chorus counters on Malcolm, you may cast the discarded card without paying its mana cost.

As the cliff began to crumble, Wayta danced fearlessly across the tumbling stones, knowing Ajij would never let her fall.

Acrobatic Leap

Target creature gets +1/+3 and gains flying until end of turn. Untap it.

Bloodvial Purveyor

Flying, trample
Whenever an opponent casts a spell, that player creates a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")
Whenever this creature attacks, it gets +1/+0 until end of turn for each Blood token defending player controls.