At the beginning of each postcombat main phase, the active player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Flash Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

{T}: Add {G}.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Each spell you cast that's red or green costs {1} less to cast.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

If you would lose unspent mana, that mana becomes colorless instead.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {B}, {R}, or {G}.

Indestructible As long as your devotion to red and green is less than seven, Klothys isn't a creature. At the beginning of your first main phase, exile target card from a graveyard. If it was a land card, add {R} or {G}. Otherwise, you gain 2 life and Klothys deals 2 damage to each opponent.

Flying You don't lose unspent red mana as steps and phases end. When this creature dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

{T}: Add {G}.

At the beginning of each player's first main phase, that player adds {G}{G}.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

You don't lose unspent green mana as steps and phases end. Omnath gets +1/+1 for each unspent green mana you have.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and this enchantment deals 1 damage to the player.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

First strike, haste Whenever a player taps a land for mana, if this creature is tapped, that player adds one mana of any type that land produced. Then that land deals 1 damage to that player.

At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, this creature deals 1 damage to that player. {3}{R}{R}: This creature gets +3/+3 and gains menace until end of turn.

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Menace Players can't gain life. Whenever another creature enters, this creature deals 1 damage to that creature's controller.

Flying Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

Lavalanche deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

{T}: Untap target creature.