You can sacrifice it to grant your creature tokens hexproof and indestructible until end of turnan incredible way to save a go-wide army from destruction
There is something about the simplicity of just having your deck, and I miss it
21.3 The Buyer shall pay all reasonable legal and other costs reasonably incurred by the Company or the Seller (whether or not Court proceedings shall have been issued) as a result of the Buyer's non-payment for and/or failure to collect a Lot, on a full indemnity basis, together with interest thereon at the rate specified in clause 21.1(c) from the date upon which the Buyer shall have become liable to pay costs
Other mayhem cards need flash enablers to allow you to cast them at instant speed, or you can use Green Goblin (the backside of Norman Osborn), to give mayhem to every card in your graveyard, including other instants or flash creatures
JPN vs English The Lost Origin Connection The English set Lost Origin combines cards from three Japanese sets: Lost Abyss (S11), Dark Phantasma (S10A), and Time Gazer (S10D)