Mardu Warshrieker

Raid — When this creature enters, if you attacked this turn, add {R}{W}{B}.

Priest of Urabrask

When this creature enters, add {R}{R}{R}.

Famished Foragers

When this creature enters, if an opponent lost life this turn, add {R}{R}{R}.
{2}{R}, Discard a card: Draw a card.

Nest Invader

When this creature enters, create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this token: Add {C}."

Coal Stoker

When this creature enters, if you cast it from your hand, add {R}{R}{R}.

Priest of Gix

When this creature enters, add {B}{B}{B}.

_____ Goblin

When this creature enters, you may put a name sticker on it. Add {R} for each unique vowel on that sticker. (The vowels are A, E, I, O, U, and Y.)

Outcaster Trailblazer

When this creature enters, add one mana of any color.
Whenever another creature you control with power 4 or greater enters, draw a card.
Plot {2}{G} (You may pay {2}{G} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Flamecache Gecko

When this creature enters, if an opponent lost life this turn, add {B}{R}.
{1}{R}, Discard a card: Draw a card.

Quirion Sentinel

When this creature enters, add one mana of any color.

Hidden Herbalists

Revolt — When this creature enters, if a permanent left the battlefield under your control this turn, add {G}{G}.

Burning-Tree Emissary

Realm-Scorcher Hellkite

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
Flying, haste
When this creature enters, if it was bargained, add four mana in any combination of colors.
{1}{R}: This creature deals 1 damage to any target.