With every new set that comes out, we get more and more effect-doublers like this
Im going to hedge a bit and say this is a future tier 2 card in Standard, but pay it very close mind
A lot of blue decks lean on mass removal effects like Wrath of God to combat their inherent lack of tempo, meaty dorks and removal
Signal the Clans Continuing the suite of 2-mana meh creature tutors, Gatecrash s Signal the Clans just barely beats out Altar of Bone by virtue of possibly landing you two cards you want in your graveyard instead of just one
Each player puts all artifact, creature, land, and planeswalker cards revealed this way onto the battlefield, then does the same for enchantment cards, then puts all cards revealed this way that weren't put onto the battlefield on the bottom of their library in any order