Vex, Uncontrollable Scientist

At the beginning of each upkeep if you do not
have a 1/1 Blue Red Goblin Token on the battlefield,
put a 1/1 Blue Red Goblin Token on the field.
{r}{u} , {t} : Discard a card and Sacrifice a Goblin creature to counter the activation of a card's activated ability.
Use this ability only when you can cast a Sorcery
"When all else fails, we'll need more Goblins" - Vex
to a very scared Marcus