Selven, Welder of Luck

+2: Flip a coin. If you win draw a card and deal 4 damage to any target. If you lose the flip discard 2 cards.
-2: Search your library for a card, put that card into your hand, discard a card at random, then shuffle your library.
-10: Flip a coin if you win the flip deal 7 damage to any target. Flip a coin if you win the flip you search your library for 3 cards and cast them.