, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

: Add .
, : Add , , or .

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

: Add .
Channel — , Discard this card: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs less to activate for each legendary creature you control.

: Add .
: This land becomes a 2/2 creature with all creature types until end of turn. It's still a land.

This artifact enters with X charge counters on it.
Whenever a player casts a spell with mana value equal to the number of charge counters on this artifact, counter that spell.

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
: Add or .

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

: Add .
, : Add one mana of any color.
, : Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

(: Add .)

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
: Add or .

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
: Add .

(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
: Add or .

(: Add .)

: Add .
: Put two +1/+1 counters on this land. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

: Add .
, : Remove target attacking or blocking creature from combat.

Discard your hand, Sacrifice this artifact: Add three mana of any one color. Activate only as an instant.

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

(: Add or .)

: Add .
, , Pay life equal to the number of colors in your commanders' color identity: Draw a card.

(: Add .)

: Add .
: Add or . This land deals 1 damage to you.

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

: Add .

(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

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

: Add .
: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
, : Target attacking Assembly-Worker gets +2/+2 until end of turn.

: Add . If you control an Urza's Mine and an Urza's Power-Plant, add instead.

Players have no maximum hand size.
Whenever you roll the planar die, draw a card.
Whenever chaos ensues, reveal the top card of your planar deck. You may put it on the bottom of your planar deck.

: Add .

This land enters tapped.
When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
: Add or .

: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.
Whenever this land becomes tapped, it deals 2 damage to you and each creature you control.