Electroplasmageist

As you cast the spell you may sacrifice any number of nonland permanents. This spell costs {1} less to cast for each permanent sacrificed this way.
Target opponent sacrifices X creatures and/or artifacts. Create Plasmageist, a 0/0 blue and black legendary artifact spirit creature token with "this creature enters with X +1/+1 counters, where X is the number of permanents sacrificed this turn" and "enters with all abilities of creatures and artifacts sacrificed this turn"
Overload {x}{u}{u}{b}{r}{r}