Put three -1/-1 counters on target creature with flying.
Cycling (, Discard this card: Draw a card.)

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-6
3/3
First strike
LEVEL 7+
4/4
Double strike

Put target card from your graveyard on top of your library.

As an additional cost to cast this spell, exile X cards from your graveyard.
You draw X cards and you lose X life.

Target creature gets +2/+2 and gains trample until end of turn.

Creatures you control gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)
Draw a card.

When this creature enters, each opponent loses 1 life and you gain 1 life.
Sacrifice a Food: Return this card from your graveyard to the battlefield.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to that card's mana value.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Choose one —
• Return target creature card from your graveyard to your hand.
• Return two target Pirate cards from your graveyard to your hand.

Counter target spell unless its controller pays . Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Whenever an opponent discards a card, you may put a quest counter on this enchantment.
At the beginning of each opponent's upkeep, if that player has no cards in hand and this enchantment has two or more quest counters on it, you may have that player lose 5 life.

When this artifact enters, exile target nonland permanent an opponent controls with mana value 2 or less until this artifact leaves the battlefield.

When Oath of Nissa enters, look at the top three cards of your library. You may reveal a creature, land, or planeswalker card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
You may spend mana as though it were mana of any color to cast planeswalker spells.

Enchant creature you control
When this Aura enters, target creature can't block this turn.
Enchanted creature gets +1/+1 and has haste. (It can attack and no matter when it came under your control.)

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

When this artifact enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.
, Sacrifice this artifact: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

X target blocked creatures assign their combat damage this turn as though they weren't blocked.

Whenever another creature enters, you gain 1 life.

Return target artifact or enchantment card from your graveyard to your hand.

Destroy target creature if it has mana value 2 or less.
Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent left the battlefield under your control this turn.

Target creature you control gets +0/+3 and gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

Target creature gets +1/+1 until end of turn for each creature you control.

Equipped creature gets +2/+1.
Equip

Tap two untapped Elves you control: Add one mana of any color.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

(Gain the next level as a sorcery to add its ability.)
If you would gain life, you gain that much life plus 1 instead.
: Level 2
Whenever you gain life, put a +1/+1 counter on target creature you control.
: Level 3
When this Class becomes level 3, return target creature card from your graveyard to the battlefield. You gain life equal to that creature's toughness.

Add .

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 a random order.

You gain 1 life for each player.
Haunt (When this spell card is put into a graveyard after resolving, exile it haunting target creature.)
When the creature this card haunts dies, you gain 1 life for each player.

Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this token dies, you gain 1 life."

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

, Tap an untapped creature you control: Add one mana of any color.

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Whenever another artifact or creature you control is put into a graveyard from the battlefield, put an oil counter on this artifact.
, , Remove four oil counters from this artifact: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Untap target creature. Prevent all damage that would be dealt to it this turn.
Cycling (, Discard this card: Draw a card.)