Strange Augmentation is a common Enchantment — Aura card from Eldritch Moon (EMN), collector number 105. Current market price: $0.13 (foil $0.27), TCGplayer market prices via Scryfall.
Enchant creature Enchanted creature gets +1/+1. Delirium — Enchanted creature gets an additional +2/+2 as long as there are four or more card types among cards in your graveyard.