Shupin, the Tyrant

{2}, Sacrifice a Goblin creature: Pay 1 life and
draw a card. Activate this ability only as a sorcery,
and pay 1 more life for each time this ability is
used for each time beyond the first each turn.
{t}, Tap 5 Goblin creatures you control: Shupin,
the Tyrant deals damage equal to the tapped creatures' power to target player.
"They call it oppression; I call it progress."