: Add one mana of any color. Spend this mana only to cast a multicolored spell.

Each other creature you control enters with a number of additional +1/+1 counters on it equal to this creature's power and as a Mutant in addition to its other types.

Flash
Domain — This spell costs less to cast for each basic land type among lands you control.
When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Mortivore's power and toughness are each equal to the number of creature cards in all graveyards.
: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature.

Tap X target nonland permanents.

Lands you control enter untapped.
The Minstrel's Ballad — At the beginning of combat on your turn, if you control five or more Towns, create a 2/2 Elemental creature token that's all colors.
: Other creatures you control get +X/+X until end of turn, where X is the number of Towns you control.

Haste
Threshold — As long as there are seven or more cards in your graveyard, this creature has "When this creature enters, creatures you control get +1/+1 and gain trample until end of turn."

Haste
Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice this enchantment and destroy all lands.

Enchant creature
Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

Whenever this creature or another creature you control dies, each opponent loses 1 life and you gain 1 life.

: Add .

, , Discard your hand: Draw a card for each creature you control.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Other Rats you control have toxic 1.
When Karumonix enters, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Trample
Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

Exile target permanent with mana value 4 or greater.

(: Add .)