Teval, Arbiter of Virtue

Legendary Creature — Spirit Dragon - (mythic)

Flying, lifelink
Spells you cast have delve. (Each card you exile from your graveyard while casting those spells pays for 1.)
Whenever you cast a spell, you lose life equal to its mana value.

Price

tcgplayer 1.55

cardmarket 1.88

cardkingdom 1.29

cardsphere 2

manapool 1.46