Fates Gambit

Party Bonus - When blocking for another player flip a coin; if heads negate all damage to the blocking creature(s); if tails negate all damage to the attacking creature(s).
Party Bonus - When attacking you way exile the top 3 cards of your Library. If an instant was exiled this way you may cast it this turn if able.
Party Debuff - Creatures that deal damage to you have Lifelink.