Forging The Chains

{t}, Put a chain token on Forging The Chains.
{3}{r}, Put a chain token on Forging The Chains.
{5}{r}{r}{r}, Remove any amount of chain tokens from Forging The Chains. Put that many chain tokens, divided as you choose, on any amount of target creatures. For every chain token put on this way, that creature gains -1/-1. If 5 or more chain tokens are placed on a creature this way, exile that creature. Exile Forging The Chains.