: Add .
, , Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

You may cast this spell as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)
Ghitu Fire deals X damage to any target.

White spells you cast cost more to cast.

Separate all creatures target player controls into two piles. Destroy all creatures in the pile of that player's choice. They can't be regenerated.

Players can't cast spells that share a color with the spell most recently cast this turn.

When this artifact enters, draw a card.
Each land with an activated ability that isn't a mana ability doesn't untap during its controller's untap step.

Kicker (You may pay an additional as you cast this spell.)
If this creature was kicked, it enters with three +1/+1 counters on it and with trample.

Choose a card name other than a basic land card name. Reveal the top seven cards of your library and put all of them with that name into your hand. Exile the rest.

: Add one mana of any color.

Whenever a player kicks a spell, you create a 1/1 green Saproling creature token.

, Discard two cards at random: This enchantment deals 4 damage to any target.

Destroy target enchantment. Create X 1/1 green Saproling creature tokens, where X is that enchantment's mana value.

Creatures with power 1 or less don't untap during their controllers' untap steps.

This spell can't be countered.
Shroud (This creature can't be the target of spells or abilities.)

First strike
Red spells you cast cost more to cast.

Counter target activated ability. (Mana abilities can't be targeted.)
Draw a card.

Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value.

Destroy target nonland permanent if another permanent with the same name is on the battlefield.
Draw a card.

Flying
Blue spells you cast cost more to cast.

Counter target spell or ability an opponent controls that targets a land you control. If a permanent's ability is countered this way, destroy that permanent.
Draw two cards.

Whenever a land enters, tap all lands its controller controls.

Prevent all damage that would be dealt to a creature by another creature if they share a color.

: Exchange control of this creature and target creature. (This effect lasts indefinitely.)

Counter target spell. Its controller loses 3 life.

Sacrifice a creature: Add one mana of any color.

Flash
Haste

If a source would deal 4 or more damage to a permanent or player, that source deals 3 damage to that permanent or player instead.

No more than one creature can attack each combat.
No more than one creature can block each combat.

Counter target spell. You gain 3 life.

As long as you control a permanent of each color, prevent all damage that would be dealt to you.

Kicker (You may pay an additional as you cast this spell.)
This spell can't be countered.
Urza's Rage deals 3 damage to any target. If this spell was kicked, instead it deals 10 damage to that permanent or player and the damage can't be prevented.

At the beginning of your upkeep, discard a card at random. If you discard a creature card this way, return it from your graveyard to the battlefield unless any player pays 5 life.

At the beginning of your upkeep, if this card is in your graveyard, you may pay . If you do, return it to your hand.
, Sacrifice this creature: It deals 2 damage to any target.

Black spells you cast cost more to cast.
: This creature gets +1/+1 until end of turn.

, Pay 1 life: Add one mana of any color.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."