Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add .

You gain life equal to the damage dealt to you this turn. Simulacrum deals damage to target creature you control equal to the damage dealt to you this turn.

: Counter target black spell.

: Counter target green spell.

, : Add one mana of any color.

Defender (This creature can't attack.)

Psionic Blast deals 4 damage to any target and 2 damage to you.

Defender (This creature can't attack.)
: This creature gets +1/+0 until end of turn.

: Regenerate this creature.

Defender (This creature can't attack.)
: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Destroy target land.

This artifact doesn't untap during your untap step.
: Add .
: Untap this artifact.

: This creature deals 2 damage to any target and 3 damage to you.

White spells cost more to cast.
Activated abilities of white enchantments cost more to activate.

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, this Aura deals 1 damage to that player.

Defender, flying (This creature can't attack, and it can block creatures with flying.)

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared.

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, this Aura deals 1 damage to that player.

Defender (This creature can't attack.)
: This creature gets +1/+0 until end of turn.

: Destroy target Wall.

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Defender (This creature can't attack.)
: Regenerate this creature.

Defender (This creature can't attack.)

Enchant creature
All creatures able to block enchanted creature do so.

: Untap target land.

Enchant land
At the beginning of the upkeep of enchanted land's controller, this Aura deals 1 damage to that player.

Destroy all Islands.

Flying
: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at the beginning of the next end step.

Enchant creature
You control enchanted creature.

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control.

Defender (This creature can't attack.)
: Regenerate this creature.

: This artifact becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

: Target creature you control with toughness less than this creature's power gains flying until end of turn. Destroy that creature at the beginning of the next end step.

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Enchant artifact
You control enchanted artifact.

, : This artifact deals 1 damage to any target.