Scales of Shale is a common Instant card from Bloomburrow (BLB), collector number 110. Current market price: $0.11 (foil $0.22), TCGplayer market prices via Scryfall.
Affinity for Lizards (This spell costs {1} less to cast for each Lizard you control.) Target creature gets +2/+0 and gains lifelink and indestructible until end of turn.