First strike
When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

This creature enters tapped.
When this creature enters, target opponent loses 2 life.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

This creature enters tapped.
When this creature enters, target opponent loses 2 life.
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a 1/1 blue and red Otter creature token with prowess.
: Level 2
When this Class becomes level 2, return target instant or sorcery card from your graveyard to your hand.
: Level 3
Whenever you cast an instant or sorcery spell, create a 1/1 blue and red Otter creature token with prowess.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Suspend 4— (Rather than cast this card from your hand, pay and exile it with four 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.)
Each player discards their hand, then draws seven cards.

Rough deals 2 damage to each creature without flying.

As an additional cost to cast this spell, sacrifice a creature.
Create X 0/1 black Insect creature tokens, where X is the sacrificed creature's power.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness.
, Sacrifice another creature: Exile target nonland permanent. Activate only if you have at least 10 life more than your starting life total.

(: Add .)

Flying, menace
Whenever this creature attacks, each player gets two rad counters.
Whenever one or more nonland cards are milled, you may create that many 2/2 black Zombie Mutant creature tokens. Do this only once each turn.

Each opponent loses 3 life. You gain life equal to the life lost this way.

Escalate (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Destroy target artifact.
• Destroy target enchantment.
• Target creature gains hexproof and indestructible until end of turn.

Oozes you control get +1/+1.
At the beginning of your upkeep, if you control a commander, create a token that's a copy of this creature.

Legendary Humans you control have indestructible.
: Exile target card from a graveyard. If it was a creature card, create a 1/1 white Human Soldier creature token.

Flying
You, planeswalkers you control, and other creatures you control have hexproof.
: Put a +1/+1 counter on each creature you control.

This land enters tapped unless you control a Plains or an Island.
: Add or .

This land enters tapped unless you control a Mountain or a Forest.
: Add or .

Boltwave deals 3 damage to each opponent.

Impending 4— (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)
Flying
Whenever this permanent enters or attacks, draw two cards, then discard a card.