Mumbo Jumbo

When Mumbo Jumbo is on the battlefield, all creatures you control have invent ({1}{t} Create 1 redstone contraption token with sacrifice this creature: add a +1+1 counter to target creature.
{3}{r} Tap target creature. That creature doesn't untap in till Mumbo Jumbo leaves the battlefield.
{5}{u} Bring Grian onto the battlefield tapped.