Acorn, Dread Viking

{t}, Remove a counter from another
permanent you control: Populate. Activate
only as a sorcery. (Create a token that's a copy
of a creature token you control.)
{t}, Sacrifice another creature: Proliferate.
Activate only as a sorcery. (Choose any number
of permanents and/or players. then give each
another counter of each kind already there.)