At the beginning of your end step, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Sacrifice Whisperwood Elemental: Until end of turn, face-up nontoken creatures you control gain "When this creature dies, manifest the top card of your library."
Near Mint - £0.50
Lightly Played - £0.50
Moderately Played - £0.40
Heavily Played - £0.30
Damaged - £0.20
Near Mint Non English - £0.50
Lightly Played Non English - £0.50
Moderately Played Non English - £0.40
Heavily Played Non English - £0.30
Damaged Non English - £0.20