Fungal Fortitude is a common Enchantment — Aura card from The Lost Caverns of Ixalan (LCI), collector number 106. Current market price: $0.31 (foil $0.27), TCGplayer market prices via Scryfall.
Flash Enchant creature Enchanted creature gets +2/+0. When enchanted creature dies, return it to the battlefield tapped under its owner's control.