Braennys Riptide

+1: Investigate. Each permanent you control has ward X until the start of your next turn, where X is the number of clues you control.
-2: Return target creature or planeswalker card you control from your graveyard to your hand.
-7: You get an emblem with "Whenever a creature you control dies, this emblem deals damage equal to that creature's mana value to target player"