Unown (U)

Undaunted (This spell costs {1} less to cast for each opponent.)
Flying.
Elemental Avatar Wizard spells you control have undaunted.
Elemental Avatar Wizard creatures you control have undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Cycling {p/c}