DANGER!! MOUSE!! Budget Standard RW Auras MTG Arena

Budget RW Auras deck for MTG Arena Standard Bo1. Includes deck list, deck discussion, and gameplay footage. I'm still not giving up my cookie...
Deck
4 Sheltered by Ghosts (DSK) 30
2 Feather of Flight (BLB) 13
8 Mountain (USG) 343
4 Shardmage's Rescue (DSK) 29
4 Monstrous Rage (WOE) 142
10 Plains (USG) 333
4 Heartfire Hero (BLB) 138
4 Flowerfoot Swordmaster (BLB) 14
2 Manifold Mouse (BLB) 143
2 Emberheart Challenger (BLB) 133
4 Optimistic Scavenger (DSK) 21
4 Inspiring Vantage (OTJ) 269
2 Abraded Bluffs (OTJ) 251
4 Etali's Favor (LCI) 149
2 Nettle Guard (BLB) 23