mtg.wtf

{T}: Add {C}.
{T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

Flying, haste
When Karrthus, Tyrant of Jund enters the battlefield, gain control of all Dragons, then untap all Dragons.
Other Dragon creatures you control have haste.

Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast.
[–2]: Create a 2/2 blue Wizard creature token. Draw a card, then discard a card.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {1}."

Your opponents and permanents your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
[–3]: Exile target creature.

[0]: Exile Kaya, Ghost Assassin or up to one target creature. Return that card to the battlefield under its owner's control at the beginning of your next upkeep. You lose 2 life.
[–1]: Each opponent loses 2 life and you gain 2 life.
[–2]: Each opponent discards a card and you draw a card.

Kazandu Refuge enters the battlefield tapped.
When Kazandu Refuge enters the battlefield, you gain 1 life.
{T}: Add {R} or {G}.

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.

Flying
When Keening Banshee enters the battlefield, target creature gets -2/-2 until end of turn.

Vanishing 2
When Keldon Marauders enters or leaves the battlefield, it deals 1 damage to target player or planeswalker.

Echo {2}{R}
When Keldon Vandals enters the battlefield, destroy target artifact.

Indestructible
As long as your devotion to blue and red is less than seven, Keranos isn't a creature.
Reveal the first card you draw on each of your turns. Whenever you reveal a land card this way, draw a card. Whenever you reveal a nonland card this way, Keranos deals 3 damage to any target.

Flying
Once during each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead.

{T}: Add {C}.
{X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

{U}: Killer Whale gains flying until end of turn.

Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn.

Flash

Knight creatures you control have double strike.

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.
[–1]: Untap target permanent.

Flying
Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."

Kird Ape gets +1/+2 as long as you control a Forest.

Kitchen enters the battlefield tapped.
{T}: Add {G} or {U}.
{4}, {T}: Investigate.

As long as Kitesail Apprentice is equipped, it gets +1/+1 and has flying.

When Kjeldoran Dead enters the battlefield, sacrifice a creature.
{B}: Regenerate Kjeldoran Dead.

{T}: Target creature gets +2/+2 until end of turn. When that creature leaves the battlefield this turn, sacrifice Kjeldoran Elite Guard. Activate only during combat.