Your search for "Enchanted Prairie" revealed the following:
Enchanted Prairie - No Symbol (CMB2) from Mystery Booster Playtest Cards 2021, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: James Arnold Card Text:CARDNAME enters the battlefield tapped.T: Add W or U.
Rugged Prairie (Foil) (EXP) from Zendikar Expeditions, available at 401 Games Canada. Rarity: Mythic Rare Finish: Foil Artist: Christine Choi Card Text:T: Add C to your mana pool.R/W, T: Add RR, RW, or WW to your mana pool.
Enchanted Prairie - Symbol (CMB1) from Mystery Booster Playtest Cards 2019, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: James Arnold Card Text:CARDNAME enters the battlefield tapped.T: Add W or U.