Double Trouble

Put a +1/+1 counter on target creature, then
double the number of +1/+1 counters on it.

Flashback {8}{g}{g}. This spell costs X less to cast
this way, where X is the greatest mana value of a
commander you own on the battlefield or in the
command zone. (You may cast this card from
your graveyard for its flashback cost. Then exile
it.)

“I can’t wait to go here in the summer with you.”