mtg.wtf

Whenever a creature enters the battlefield, that creature's controller may have it deal damage equal to its power to any target of their choice.
Whenever chaos ensues, exile target creature, then return it to the battlefield under its owner's control.

Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.

Enchant creature
Enchanted creature gets +4/+4 and has first strike, and all creatures able to block it do so.
Totem armor

Ninjutsu {3}{B}{B}
Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.
{1}{B}: Regenerate Ink-Eyes.

Fear
{2}{U}{B}: Each unblocked creature has base power and toughness 4/1 until end of turn.

Each player sacrifices a creature.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

When you encounter Interplanar Tunnel, reveal cards from the top of your planar deck until you reveal five plane cards. Put a plane card from among them on top of your planar deck, then put the rest of the revealed cards on the bottom in a random order.

{T}: Add {R}.

Whenever a nontoken creature enters the battlefield, its controller creates a token that's a copy of that creature.
Whenever chaos ensues, destroy target creature and all other creatures with the same name as that creature.

Ivy Elemental enters the battlefield with X +1/+1 counters on it.

Whenever a player casts an instant or sorcery spell, that player copies it. The player may choose new targets for the copy.
Whenever chaos ensues, instant and sorcery spells you cast this turn cost {3} less to cast.

Whenever a player casts a creature spell that's black, red, or green, it gains devour 5.
Whenever chaos ensues, create two 1/1 red Goblin creature tokens.

Jwar Isle Refuge enters the battlefield tapped.
When Jwar Isle Refuge enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.

Flying
{B}: Regenerate Kathari Remnant.
Cascade

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

Draw a card for each attacking creature.

Haste
Echo {2}{R}{R}
When Keldon Champion enters the battlefield, it deals 3 damage to target player or planeswalker.

Prevent all combat damage that would be dealt by non-Werewolf creatures.
Whenever chaos ensues, each creature you control gets +2/+2, gains trample, and becomes a Werewolf in addition to its other types until end of turn.

Khalni Garden enters the battlefield tapped.
When Khalni Garden enters the battlefield, create a 0/1 green Plant creature token.
{T}: Add {G}.

Whenever a creature you control attacks a player, for each other opponent, you may create a token that's a copy of that creature, tapped and attacking that opponent. Exile those tokens at the beginning of the next end step.
Whenever chaos ensues, you may sacrifice any number of creatures. If you do, Kharasha Foothills deals that much damage to target creature.

When you planeswalk to Kilnspire District or at the beginning of your precombat main phase, put a charge counter on Kilnspire District, then add {R} for each charge counter on it.
Whenever chaos ensues, you may pay {X}. If you do, Kilnspire District deals X damage to any target.

Kicker {W}
When Kor Sanctifiers enters the battlefield, if it was kicked, destroy target artifact or enchantment.

Kor Spiritdancer gets +2/+2 for each Aura attached to it.
Whenever you cast an Aura spell, you may draw a card.