(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

: Add .
: Add . Activate only if you control a Swamp or a Forest.

: Turn this creature face down.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When this creature is turned face up, copy target instant or sorcery spell. You may choose new targets for that copy.

Whenever you cast a noncreature spell, Gandalf gets +1/+1 until end of turn and deals 1 damage to each opponent.

Whenever this land becomes tapped, it deals 1 damage to you.
: Add one mana of any color.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a 2/2 green Wolf creature token.
: Level 2
Whenever you attack, put a +1/+1 counter on target attacking creature.
: Level 3
You may look at the top card of your library any time.
You may cast creature spells from the top of your library.

Flying
: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying.

Enchant artifact
As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its mana value.

If you would create a Clue, Food, or Treasure token, instead create one of each.

(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)
Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

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

Flash
Reach
When this creature enters, up to one target player puts all the cards from their graveyard on the bottom of their library in a random order.
Evoke—Exile a green card from your hand.

Cycling (, Discard this card: Draw a card.)
When you cycle this card, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. (Do this before you draw.)

Partner with Toothy, Imaginary Friend (When this creature enters, target player may put Toothy into their hand from their library, then shuffle.)
If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.

Each opponent gets a poison counter. Then each creature your opponents control gets -1/-1 until end of turn for each poison counter its controller has.

At the beginning of your upkeep, put a spore counter on this creature.
Remove three spore counters from this creature: Create a 1/1 green Saproling creature token.
Sacrifice a Saproling: Add one mana of any color.

, Exile this creature: You may put a creature card from your hand onto the battlefield. If you do, that creature gains haste until end of turn. At the beginning of the next end step, sacrifice that creature. If you do, return this card to the battlefield.

This land enters tapped unless you have two or more opponents.
: Add or .

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)