Flamekin Harbinger [Secret Lair Drop Series] XY208 and it has "{2}{U}{U}: Return

and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step

Set: The Lord of the Rings: Tales of Middle-Earth Commander Type: Legendary Artifact — Equipment Rarity: Mythic Cost: {2} Equipped creature gets +1/+1

the idea must exist

Set: 30th Anniversary Edition Type: Land — Plains Swamp Rarity: Rare ({T}: Add {W} or {B}

Flamekin Harbinger [Secret Lair Drop Series] XY208 and it has "{2}{U}{U}: ReturnSet: Secret Lair Drop Series Type: Creature Elemental Shaman Rarity: Rare Cost: {R} When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top.