Fungusaur

Whenever Fungusaur is dealt damage, put a +1/+1 counter on it.

Fungus Sliver

All Sliver creatures have “Whenever this creature is dealt damage, put a +1/+1 counter on it.” (The damage is dealt before the counter is put on.)

Strategy, Schmategy

Roll a six-sided die. Strategy, Schmategy has the indicated effect.
1 — Do nothing.
2 — Destroy all artifacts.
3 — Destroy all lands.
4 — Strategy, Schmategy deals 3 damage to each creature and each player.
5 — Each player discards their hand and draws seven cards.
6 — Repeat this process two more times.

Sea Monster

Sea Monster can’t attack unless defending player controls an Island.

Magmasaur

Magmasaur enters the battlefield with five +1/+1 counters on it.
At the beginning of your upkeep, you may remove a +1/+1 counter from Magmasaur. If you don’t, sacrifice Magmasaur and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.

Goblin Matron

When Goblin Matron enters the battlefield, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle your library.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything black.)

Lich

As Lich enters the battlefield, you lose life equal to your life total.
You don’t lose the game for having 0 or less life.
If you would gain life, draw that many cards instead.
Whenever you’re dealt damage, sacrifice that many nontoken permanents. If you can’t, you lose the game.
When Lich is put into a graveyard from the battlefield, you lose the game.

Library of Leng

You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything black.)

Strip Mine

: Add .
, Sacrifice Strip Mine: Destroy target land.

Dread Wight

At end of combat, put a paralyzation counter on each creature blocking or blocked by Dread Wight and tap those creatures. Each of those creatures doesn’t untap during its controller’s untap step for as long as it has a paralyzation counter on it. Each of those creatures gains “: Remove a paralyzation counter from this creature.”

Fungus Sliver

All Sliver creatures have “Whenever this creature is dealt damage, put a +1/+1 counter on it.” (The damage is dealt before the counter is put on.)

Arboria

Creatures can’t attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn.

Crimson Manticore

Flying
, : Crimson Manticore deals 1 damage to target attacking or blocking creature.

Takklemaggot

Enchant creature
At the beginning of the upkeep of enchanted creature’s controller, put a -0/-1 counter on that creature.
When enchanted creature dies, that creature’s controller chooses a creature that Takklemaggot could enchant. If the player does, return Takklemaggot to the battlefield under your control attached to that creature. If they don’t, return Takklemaggot to the battlefield under your control as a non-Aura enchantment. It loses “enchant creature” and gains “At the beginning of that player’s upkeep, Takklemaggot deals 1 damage to that player.”

Frost Giant

Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Gabriel Angelfire

At the beginning of your upkeep, choose flying, first strike, trample, or rampage 3. Gabriel Angelfire gains that ability until your next upkeep. (Whenever a creature with rampage 3 becomes blocked, it gets +3/+3 until end of turn for each creature blocking it beyond the first.)

Marjhan

Marjhan doesn’t untap during your untap step.
, Sacrifice a creature: Untap Marjhan. Activate this ability only during your upkeep.
Marjhan can’t attack unless defending player controls an Island.
: Marjhan gets -1/-0 until end of turn and deals 1 damage to target attacking creature without flying.
When you control no Islands, sacrifice Marjhan.

Johtull Wurm

Whenever Johtull Wurm becomes blocked, it gets -2/-1 until end of turn for each creature blocking it beyond the first.

Karplusan Giant

Tap an untapped snow land you control: Karplusan Giant gets +1/+1 until end of turn.