Lord Mage Nynes

Cleric and Wizard creatures you control have hexproof and "When you use one of this creature's activated abilities that requires it to tap, you may exert it. If you do, copy that ability."
{t}: The next instant or sorcery spell you cast before the end of the current turn has cascade
and split second.
"All magic is connected, one flow into the next. Mastery is just a matter of course."