Mardu Pact

Collective, Melee, Reach, Riot & First Strike
{w}{b}{r}{t}: Look at the top 3 cards of your library,
put one in hand & the rest on the bottom of library.
When this creature is paired or enchanted it gains
{p/w}{p/b}{p/r} Regenerate & you Take The Initiative.
{w}{b}{r}{ut} Each player sacrifices a permanent or discards a random card or is dealt 3 damage