Snake Umbra

Enchant creature
Enchanted creature gets +1/+1 and has “Whenever this creature deals damage to an opponent, you may draw a card.”
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Sylvan Ranger

When Sylvan Ranger enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Wake the Dead

Cast this spell only during combat on an opponent’s turn.
Return X target creature cards from your graveyard to the battlefield. Sacrifice those creatures at the beginning of the next end step.

Supernatural Stamina

Until end of turn, target creature gets +2/+0 and gains “When this creature dies, return it to the battlefield tapped under its owner’s control.”

Tragic Slip

Target creature gets -1/-1 until end of turn.
Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Wake the Dead

Cast this spell only during combat on an opponent’s turn.
Return X target creature cards from your graveyard to the battlefield. Sacrifice those creatures at the beginning of the next end step.

Fireshrieker

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Planeswalker’s Fury

: Target opponent reveals a card at random from their hand. Planeswalker’s Fury deals damage equal to that card’s mana value to that player. Activate only as a sorcery.

Mass Polymorph

Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

Stormscape Battlemage

Kicker and/or (You may pay an additional and/or as you cast this spell.)
When Stormscape Battlemage enters, if it was kicked with its kicker, you gain 3 life.
When Stormscape Battlemage enters, if it was kicked with its kicker, destroy target nonblack creature. That creature can’t be regenerated.

Needle Specter

Flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever Needle Specter deals combat damage to a player, that player discards that many cards.

Champion of Lambholt

Creatures with power less than Champion of Lambholt’s power can’t block creatures you control.
Whenever another creature you control enters, put a +1/+1 counter on Champion of Lambholt.

Triskelion

Triskelion enters with three +1/+1 counters on it.
Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target.

Gavony Unhallowed

Whenever another creature you control dies, put a +1/+1 counter on Gavony Unhallowed.

Assembled Alphas

Whenever Assembled Alphas blocks or becomes blocked by a creature, Assembled Alphas deals 3 damage to that creature and 3 damage to that creature’s controller.

Deny Existence

Counter target creature spell. If that spell is countered this way, exile it instead of putting it into its owner’s graveyard.

Spontaneous Mutation

Flash
Enchant creature
Enchanted creature gets -X/-0, where X is the number of cards in your graveyard.

Crawling Sensation

At the beginning of your upkeep, you may mill two cards. (You may put the top two cards of your library into your graveyard.)
Whenever one or more land cards are put into your graveyard from anywhere for the first time each turn, create a 1/1 green Insect creature token.

Tragic Slip

Target creature gets -1/-1 until end of turn.
Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Confiscate

Enchant permanent
You control enchanted permanent.

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent’s controller may pay . If the player does, they may copy this spell and may choose a new target for that copy.

Aven Fisher

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Aven Fisher dies, you may draw a card.