Desperate Mixture

{t}: the next card you play this turn has Suspend
X, where X is equal to half its mana cost-
(Rather than cast this card from your hand, you may
pay X and exile it with X time counters on it. At the
beginning of your upkeep, remove a time counter.
When the last is removed, cast it without paying its
mana cost.
"Just give me a second!"