This creature has deathtouch as long as you control a green permanent. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

, Sacrifice this creature: Destroy target artifact.

Enchant creature
Whenever a creature dies, put a +1/+1 counter on enchanted creature.

( can be paid with either or 2 life.)
Look at target player's hand.
Draw a card.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

, : Target creature gains flying until end of turn.

, Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
If this card is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Target creature an opponent controls deals damage equal to its power to another target creature that player controls.

Shock deals 2 damage to any target.

: This creature gets +2/+2 until end of turn. Activate only once each turn.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Discard any number of cards at random. Creatures you control get +1/+0 until end of turn for each card discarded this way.

Switch target creature's power and toughness until end of turn.

Until end of turn, target creature gets +1/+0 and gains first strike and lifelink.

Flying
: This creature gets +1/+0 until end of turn. Activate no more than twice each turn.

: Add .

Target player mills four cards. You shuffle up to four cards from your graveyard into your library.
Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Exile up to three target cards from a single graveyard.
Cycling (, Discard this card: Draw a card.)

Target creature gains flying until end of turn.
Draw a card.

Enchant creature
When this Aura enters, draw a card.
Enchanted creature has ": This creature gets +1/+0 until end of turn."

Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Each player sacrifices a creature of their choice.

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.")

Equipped creature gets +1/+0.
Whenever equipped creature attacks, you may mill two cards.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
2/2
LEVEL 5+
5/5
First strike

Target creature gets +1/+1 and gains haste until end of turn.
Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Sacrifice a Goblin: Target creature gets +1/+1 until end of turn.

Haste
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When this creature is turned face up, target creature gains haste until end of turn.

Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

When this creature dies, target creature an opponent controls gets -1/-1 until end of turn.

Target creature gets -1/-1 until end of turn. Create a 1/1 green Saproling creature token.

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Target creature gets +1/+3 until end of turn. Put a reach counter on it. Untap it.