Unimaginable Schemes

(Blood magic) Sacrifice two human creatures in addition to this cards mana cost, if you do return this card 4 cards down from the top card of your library whenever it would be exilted or sent to the graveyard.
If you control a planeswalker attach this card to him like it was a enchantment it gains hexproof. Whenever the enchanted planeswalker activates a loyal ability it triggers twice but does not trigger the addition or subtraction of loyalty points twice.