Sunpetal Grove [Ixalan Prerelease Promos] CRU028 Tawnos finally cracked the puzzle:

Tawnos finally cracked the puzzle: the strange structures did not house Mishra's malevolent creations but were themselves among his creations

Set: Legions Type: Creature — Spirit Rarity: Rare Cost: {3}{G}{G} Untap all permanents you control during each other player's untap step

add a lore counter

{2}{G}{G}{G}: Elf creatures you control get +3/+3 and gain trample until end of turn

Other Faeries you control have shroud

Sunpetal Grove [Ixalan Prerelease Promos] CRU028 Tawnos finally cracked the puzzle:Set: Ixalan Prerelease Promos Type: Land Rarity: Rare Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}. To the Sun Empire, any place where daylight brightens the jungle floor is sacred ground.