Ken, the Puppeteer

Partner with Kerbeus, Underworld Abomination
Cascade, Double strike, Hexproof
Creatures you control have double strike.
Creatures you control have ward {5}.
Whenever you attack, target attacking creature gains menace until end if turn.
{x}{t} Exile the top X cards of your library, you may play them until the end of your next turn.
{5}{t} Pay 5 life: Destroy target creature, add {g}{g}, draw a card.