Finale of Education

This spell can't be countered.
You may cast this spell if a spell with Split
Second is on the stack.
Untap all creatures you control, destroy any
number of artifacts or enchantments, then take
an extra turn after this one. When you do,
creatures you control have base power and
toughness 10/1, and gain trample, hexproof, and indestructible.
"What anger management issues?"