Threnodin, First Guide

Threnodin, First Guide can't be your commander.
Legendary creatures you control have indestructible and hexproof as long as they
entered the battlefield on your last turn.
Legendary spells you cast cost {1} less to cast, and
mana abilities of legendary creatures you control
cost {1} less.
"Who am I, child? I believe the better question is, who
are you?" -Threnodin, First Guide