Gran-Da, Lord of the Heap

When Gran-Da, Lord of the Heap enters the battlefield, gain control of all Goblins with mana
value X or less.
Other Goblin creatures you control get +1/+1
and have "Whenever this creature attacks, it deals
1 damage to defending player."
{r}, Sacrifice another untapped Goblin: Target
legendary Goblin you control gains indestructible
until end of turn.