Thunderous Might

Enchantment — Aura - (uncommon)

Enchant creature
Whenever enchanted creature attacks, it gets +X/+0 until end of turn, where X is your devotion to red. (Each  in the mana costs of permanents you control counts toward your devotion to red.)

Price

cardsphere 0.2

cardmarket 0.32

tcgplayer 0.4

cardkingdom 0.49