Tap an untapped Gate you control: Crackling Perimeter deals 1 damage to each opponent.

Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.

: Put a +1/+2 counter on CARDNAME. <i>( is paid with one mana from any source that could produce two or more colors of mana.)</i>

Evolve <i>(Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)</i>

Remove two +1/+1 counters from Experiment One: Regenerate Experiment One.

Flying

When Experimental Aviator enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

Create an X/X blue and red Weird creature token, where X is the number of instant and sorcery cards in your graveyard. Then you may return an instant or sorcery card from your graveyard to your hand. Exile Experimental Overload.

When Experimental Synthesizer enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.

, Sacrifice Experimental Synthesizer: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

Menace

Whenever Grime Gorger attacks, exile up to one card of each card type from defending player's graveyard. Put a +1/+1 counter on Grime Gorger for each card exiled this way.

, : Return target permanent to its owner's hand. Activate only if you control four or more snow permanents.

Protection from Werewolves

Human creatures you control have ": Add one mana of any of this creature's colors."

, : Put a +1/+1 counter on each creature you control.

, : Target creature gets -2/-0 until end of turn. <i>( is the untap symbol.)</i>

Living metal <i>(As long as it's your turn, this Vehicle is also a creature.)</i>

Trample

Whenever you attack, bolster 2. The chosen creature gains trample until end of turn. When that creature deals combat damage to a player this turn, convert Optimus Prime.

At the beginning of your upkeep, choose one at random. Create a red and white creature token with those characteristics.

• 3/1 Human Warrior with trample and haste.

• 2/1 Human Cleric with lifelink and haste.

• 1/2 Human Rogue with haste and "When this creature enters the battlefield, it deals 1 damage to any target."

Whenever an artifact enters the battlefield under your control, Perimeter Patrol gets +1/+0 until end of turn.

, Sacrifice another creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Whenever you cast a creature spell, create a 3/3 green Beast creature token.

Whenever you cast a noncreature spell, put three +1/+1 counters on target creature you control.

<i>Landfall</i> — Whenever a land enters the battlefield under your control, you gain 3 life.

Trample

Whenever Primeval Herald enters the battlefield or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

This spell costs less to cast for each creature your opponents control.

When Primeval Protector enters the battlefield, put a +1/+1 counter on each other creature you control.

If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead.

Vigilance, trample, lifelink

When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs.

<i>(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)</i>

Return all legendary permanent cards from your graveyard to the battlefield.

Target player discards a card.

Retrace <i>(You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)</i>

Snow forestwalk <i>(This creature can't be blocked as long as defending player controls a snow Forest.)</i>

Enchant creature

Enchanted creature gets +2/+1 and has ": This creature can't be blocked this turn except by snow creatures." <i>( can be paid with one mana from a snow source.)</i>

Flying

Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield.

: Put an ice counter on target permanent.

Permanents with ice counters on them are snow.

Flying

: Tap target creature and put an ice counter on it. <i>( can be paid with one mana from a snow source.)</i>

Creatures with ice counters on them don't untap during their controllers' untap steps.

Ward

When Rimewall Protector enters the battlefield, each other Giant or Wizard you control and each Giant or Wizard card in your hand perpetually gains ward .

, : You may tap or untap target permanent. Activate only if you control four or more snow permanents.

Flying, ward

Other Dragons you control have ward .

At the beginning of your end step, if a creature or planeswalker an opponent controlled was dealt excess damage this turn, create a 4/4 red Dragon creature token with flying.

<i>Subterranean Assault</i> — Whenever Trygon Prime attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn.

Evolve <i>(Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)</i>

<i>Synapse Creature</i> — Other creatures you control have evolve.