Ephemerate - [Etched Foil, Retro Frame] Modern Horizons 1 Timeshifts (H1R) Red Wingrattle Scarecrow has flying as

Wingrattle Scarecrow has flying as long as you control a blue creature

Some nature mages unknowingly took advantage of the temporal energies still swirling on Dominaria

Threshold — White creatures get an additional +1/+1 as long as seven or more cards are in your graveyard

they exile each card they find

Ephemerate - [Etched Foil, Retro Frame] Modern Horizons 1 Timeshifts (H1R) Red Wingrattle Scarecrow has flying asExile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)