Flying
When Keiga, the Tide Star dies, gain control of target creature.

Haste
: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

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."

When Kitchen Finks enters the battlefield, you gain 2 life.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

As long as you control a Giant, Kithkin Greatheart gets +1/+1 and has first strike.

Knight of the Reliquary gets +1/+1 for each land card in your graveyard.
, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle your library.

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

Flying
When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Destroy target artifact or enchantment.

Flying
Prowl (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Faerie or Rogue.)
When Latchkey Faerie enters the battlefield, if its prowl cost was paid, draw a card.

Lava Spike deals 3 damage to target player or planeswalker.

Return up to three target land cards from your graveyard to your hand.
Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Lightning Helix deals 3 damage to any target and you gain 3 life.

Delve (Each card you exile from your graveyard while casting this spell pays for .)
Counter target spell unless its controller pays .

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)
, Sacrifice Lotus Bloom: Add three mana of any one color.

Other Goblin creatures you control get +1/+1.
: Regenerate another target Goblin.

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Add two mana in any combination of colors.
Draw a card.

Flying
When Marsh Flitter enters the battlefield, create two 1/1 black Goblin Rogue creature tokens.
Sacrifice a Goblin: Marsh Flitter has base power and toughness 3/3 until end of turn.

When Masked Admirers enters the battlefield, draw a card.
Whenever you cast a creature spell, you may pay . If you do, return Masked Admirers from your graveyard to your hand.