Grand Arbiter Augustin IV

Legendary Creature — Human Advisor - (rare)

White spells you cast cost  less to cast.
Blue spells you cast cost  less to cast.
Spells your opponents cast cost  more to cast.

The Arbiter is a conduit of justice, a will so disciplined that it dispenses justice without ego or remorse.

Price

tcgplayer 14.36

cardmarket 8.9

cardkingdom 15.99

cardsphere 15.23

manapool 15.63