Grading isn't free
I'm not sure they should be getting run in a deck without lots of ways to accelerate mana quickly
All you have to do is tap five of your Wizards, and you can smack an opponent for five life, letting you break through stalemates on the board or take an opponent out at the end of another player's turn
The card grants Challenger +2 and Resist +2 to a chosen character this turn
As a supporting card, Mina and Denn play really well in Phylath, World SculptorPhylath, World Sculptor, Obuun, Mul Daya AncestorObuun, Mul Daya Ancestor, or Radha, Heart of KeldRadha, Heart of Keld, which also blend land synergies with "get the opponent dead with a large creature" synergy
Thats not to say that red decks cant search their libraries, just that they have limited options compared to some of the other colors