Sigarda's Summons is a rare Enchantment card from Innistrad: Double Feature (DBL), collector number 303. Current market price: $1.44 (foil $3.01), TCGplayer market prices via Scryfall.
Creatures you control with +1/+1 counters on them have base power and toughness 4/4, have flying, and are Angels in addition to their other types.