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

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

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

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

, Sacrifice this artifact: Add three mana of any one color. Spend this mana only to cast your commander.

, : Add for each Swamp you control.

First strike, menace, trample
Partner (You can have two commanders if both have partner.)

As this land enters, choose a creature type.
: Add .
: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

This land enters tapped.
Whenever a Mountain you control enters, if you control at least five other Mountains, you may have this land deal 3 damage to any target.
: Add .

, Sacrifice this artifact: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

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

: Add .
: Target 1/1 creature gets +1/+2 until end of turn.

This land enters tapped.
: Add , , or .

: Add .
: This land becomes a 4/3 creature with vigilance and all creature types until end of turn. It's still a land. ( can be paid with one mana from a snow source.)

: Add .

: Add .
, : Put a charge counter on this land.
, Remove a charge counter from this land: Add two mana of any one color. Spend this mana only to cast kicked spells.

: Add .
Metalcraft — : Add for each Urza's land you control. Activate only if you control three or more artifacts.

: Add .

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay ."

This land enters with three mining counters on it.
, Remove a mining counter from this land: Add one mana of any color. If there are no mining counters on this land, sacrifice it.

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
: Add .

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

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

Imprint — When this artifact enters, you may exile a nonartifact, nonland card from your hand.
: Add one mana of any of the exiled card's colors.

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

: Add .
, : Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

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

Suspend 3—
Shuffle all permanents you own into your library, then reveal that many cards from the top of your library. Put all non-Aura permanent cards revealed this way onto the battlefield, then do the same for Aura cards, then put the rest on the bottom of your library in a random order.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Suspend 4—
Until end of turn, you may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Suspend 2— (Rather than cast this card from your hand, pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

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

(: Add or .)

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

, Pay 1 life: Add or .
, , Sacrifice this land: Draw a card.

This land enters tapped.
: Add or .
: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.