: 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 .

Destroy target creature. You lose 2 life.

+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 .

You may pay rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield.
Each player sacrifices thirteen creatures of their choice.

Flying
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield.

: Add .
, : Add , , or .

: Add .
, Forage: Add two mana in any combination of colors. (To forage, exile three cards from your graveyard or sacrifice a Food.)
, : Search your library for a Squirrel card, reveal it, put it into your hand, then shuffle.

Target player discards X cards at random.

Whenever this creature attacks and isn't blocked, you may draw a card. If you do, this creature assigns no combat damage this turn.

Haste
The Howling Abomination has trample as long as you've cast three or more spells this turn.
Whenever The Howling Abomination becomes the target of a spell, it gets +2/+2 until end of turn and deals 2 damage to each opponent.

At the beginning of the end step, if you control no artifacts, sacrifice this land.
: Add one mana of any color.

: Add three mana of any one color.

Return target permanent to its owner's hand.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

This creature gets -X/-X, where X is your life total.

Electrickery deals 1 damage to target creature you don't control.
Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")