: Add one mana of any color in your commander's color identity.

Trample
Whenever you tap a land for mana, add one mana of any type that land produced.
Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip

Equipped creature gets +1/+1 and has trample and lifelink.
: Permanents your opponents control lose hexproof and indestructible until end of turn.
Equip

As this enchantment enters, sacrifice all lands you control.
Lands you control have ": Add two mana of any one color."

Lord of Extinction's power and toughness are each equal to the number of cards in all graveyards.

: Add one mana of any color in your commander's color identity.

(: Add .)

Trample, haste
At the beginning of the end step, sacrifice this creature.

Lifelink
At the beginning of your end step, each opponent mills X cards, where X is the amount of life you gained this turn.

: This creature gains flying until end of turn.
Whenever this creature deals combat damage to a player, you may pay . If you do, search that player's library for a card and exile it, then the player shuffles.

Flying
If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

: Add .
, Sacrifice this land: Destroy target nonbasic land.

Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.

When you cast this spell, exile up to one target permanent that's one or more colors.
Whenever you cast a colorless spell, exile up to one target permanent that's one or more colors.
+2: You gain 3 life and draw a card.
0: Add .
−11: Search your library for any number of colorless nonland cards, exile them, then shuffle. Until end of turn, you may cast those cards without paying their mana costs.

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

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

, : Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

This creature enters with two +1/+1 counters on it.
Whenever this creature attacks, double the number of +1/+1 counters on it.
When this creature dies, create a number of 1/1 colorless Robot artifact creature tokens equal to the number of +1/+1 counters on this creature.

Flying, indestructible
Kefnet can't attack or block unless you have seven or more cards in hand.
: Draw a card, then you may return a land you control to its owner's hand.