Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

This spell can't be countered.
At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.
Sacrifice another Serpent: Choose one —
• Tap target permanent. Its activated abilities can't be activated this turn.
• Koma gains indestructible until end of turn.

: Add one mana of any color in your commander's color identity.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When this creature enters, destroy target nonartifact, nonblack creature.
Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

(: Add .)

Trample
Cultivator Colossus's power and toughness are each equal to the number of lands you control.
When this creature enters, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process.

If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Equipped creature gets +1/+1.
Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Equip

Vigilance, lifelink
Darkforce Inversion — When Mister Negative enters, you may exchange life totals with target opponent. If you lost life this way, draw that many cards.

Each player shuffles their hand, graveyard, and all permanents they own into their library, then draws seven cards. Each player's life total becomes 7.

First strike
Whenever Mirri attacks, each opponent can't block with more than one creature this combat.
As long as Mirri is tapped, no more than one creature can attack you each combat.

: Until end of turn, Thopters you control have base power and toughness X/X, where X is the number of cards in your hand.
, : Draw a card, then discard a card. If the discarded card was an artifact card, exile it from your graveyard. If you do, create a token that's a copy of it, except it's a 0/2 Thopter artifact creature with flying in addition to its other types.

Grenzo enters with X +1/+1 counters on it.
: Put the bottom card of your library into your graveyard. If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield.

Draw X cards, then discard a card.

This land enters tapped unless you control two or more other lands.
: Add or .

Create X 1/1 white Ally creature tokens, then put a +1/+1 counter on each creature you control.

+1: Each player discards a card.
−2: Target player sacrifices a creature.
−6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of their choice.

If this card is in your opening hand, you may begin the game with it on the battlefield.
Creature spells can't be countered.

This land enters tapped.
: Add .
, Sacrifice this land: Add .

: Add .
, : Add , , or .