Gleam of Resistance is a common Instant card from Conflux (CON), collector number 8. Current market price: $0.04 (foil $0.16), TCGplayer market prices via Scryfall.
Creatures you control get +1/+2 until end of turn. Untap those creatures. Basic landcycling {1}{W} ({1}{W}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)