urGoh, the Wanderer

Partner with skekGra, the Heretic (When this
creature enters the battlefield, target player may put
skekGra into their hand from their library, then
shuffle.)
Spells you cast cost {1} less to cast for each spell
you've cast before it this turn.
"Look, these are the Gelfling that found our message!"
"Or... did the message... find them?" "Would you just introduce yourself?"