Saga Rack

Saga Rack enters the battlefield with
X Lore counters and one +1/+1 counter on it.
{t}: Move any number of +1/+1 counters from
Saga Rack to target creature.
When you cast a Sorcery spell with mana value 4
or greater. Remove all Lore counters from
Saga Rack and put twice that many +1/+1
counters on it.