Vadrik, Astral Archmage 248 (Innistrad: Midnight Hunt)

If it's neither day nor night, it becomes day as Vadrik enters. Instant and sorcery spells you cast cost {X} less to cast, where X is Vadrik's power. Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50