For example, if Nethergoyf is in your library, its toughness is determined by the ability "Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1." If your graveyard consists of an artifact card, a creature card, and an instant card, you won't be able to find Nethergoyf with Recruiter of the Guard since Nethergoyf's toughness will be 4
however, the payoff should be worth it
Well, like saying OJ is guilty, nobody can prove it, but most people are pretty sure
Sign in Blood This simple little spell is more flexible than Night's Whisper because you can point it at an opponent for lethal damage or synergy with your life drain machine
The card has also been a multi-format all-star because its one of the best cards against each of the top decks in the non-rotating formats