Samut, the Proven

+1: Reveal the top card of your library. If it's a creature card, you may have target creature get +X/+0 and vigilance, where X is its power.
-1: Samut, the Proven deals 3 damage to target creature or player.
-7: Search your library for two creature and/or planeswalker cards and put them onto the battlefield then, shuffle your library.