Nevi, Taking Initiative

+1: Nevi deals 2 damage to target player, planeswalker, or creature
-3: Create a 3/4 green boar creature token with trample that says, "If this creature dealt no combat damage this turn, sacrifice it."
-8: Create an emblem that says, "If a card would go into your graveyard or exile, flip a coin, on heads return the card to your hand."