Make Foolish

Destroy target creature with the greatest power amongst creatures a player controls. They then
create a 0/5 sloth token creature with shroud.
This creature cannot attack or block.
This creature has the ability "All spells and
abilities you cast cost an additional {1}. "
"I've replaced your warrior with this fellow. He's
rather hardy, But I'd avoid eye contact, lest
your mind falter. Honestly, sorry about this."