Bog Wraith [Limited Edition Beta] Kaladesh Promos 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

What walks on four legs in the morning

create X 1/1 white Vampire creature tokens with lifelink

instead search your library for a creature or land card

This effect lasts indefinitely

Bog Wraith [Limited Edition Beta] Kaladesh Promos and it has "{2}{U}{U}: ReturnSet: Limited Edition Beta Type: Creature Wraith Uncommon Cost: {3}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) 'Twas in the bogs of Cannelbrae My mate did meet an early grave 'Twas nothing left for us to save In the peat filled bogs of Cannelbrae.