Aether Puppetry

Invest 1 (When you cast this card from your
hand you may exile it with 1 time counters on it.
At the beginning of your upkeep, remove a time counter. When the last counter is removed, cast
it without paying its mana cost.)
Tap up to four target creatures. If Aether
Puppetry was cast from exile they do not untap
during their controllers next untap step.