Goblin Lookout
{1}{R}
Creature -- Goblin
1/2
{T}, Sacrifice a Goblin: Goblin creatures get +2/+0 until end of turn.
Goblin Pyromancer
{3}{R}
Creature -- Goblin Wizard
2/2
When ~this~ enters, Goblin creatures get +3/+0 until end of turn.
At the beginning of the end step, destroy all Goblins.