This creature can't be blocked except by artifact creatures and/or red creatures.

This land enters tapped.
When this land enters, target creature gets +2/+0 until end of turn.
: Add .

Multikicker (You may pay an additional any number of times as you cast this spell.)
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
This creature enters with a +1/+1 counter on it for each time it was kicked.

This creature enters with your choice of a deathtouch counter or a lifelink counter on it.

This creature can't attack unless you control more creatures than defending player.
This creature can't block unless you control more creatures than attacking player.

: Add .
, Sacrifice this land: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.
Cycling (, Discard this card: Draw a card.)

Menace
Whenever this creature deals combat damage to a player, that player discards that many cards.
Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Human Wizard with no mana cost. Eternalize only as a sorcery.)

Whenever you crank this Contraption, put target creature card from an opponent's graveyard onto the battlefield under your control.

Other permanents you control have ": Add one mana of any color."

Whenever this creature deals combat damage to a player, that player reveals their hand. You choose a card from it with the longest name. That player discards that card.

, Sacrifice this enchantment: Exile target creature that's attacking you or a planeswalker you control.

Discard your hand. Then draw X cards, where X is the number of card types among cards in your graveyard.

When this creature enters, create three 1/1 red Goblin creature tokens.
, Sacrifice a Goblin: This creature deals 2 damage to any target.

When this creature enters, create a 1/1 green Elf Warrior creature token.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Haste
Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Whenever this creature deals combat damage to a player, you may exile target card from that player's graveyard.

: Add .
, , Sacrifice a creature: Draw a card.

Zombies you control get +1/+1.
: Target creature card in your graveyard gains embalm until end of turn. The embalm cost is equal to its mana cost. (Exile that card and pay its embalm cost: Create a token that's a copy of it, except it's a white Zombie in addition to its other types and has no mana cost. Embalm only as a sorcery.)

(An ongoing scheme remains face up until it's abandoned.)
Whenever you attack, create a 5/5 black Demon creature token with flying that's tapped and attacking.
At the beginning of each end step, if two or more creatures died under your control this turn, abandon this scheme.