In Jump In!, you select themed packets to build a ready-to-play deck
Its a Commander variant inspired by the legend of King Arthur and Excalibur, where you pick a common creature to be your champion (commander) and a legendary Equipment to be its signature weapon
Fling As an additional cost to cast this spell, sacrifice a creature
When it dies or is exiled, return it to the battlefield tapped.) Whenever this creature attacks, each opponent loses X life and you gain X life, where X is the number of creatures you control with +1/+1 counters on them
(A regular Art card can be found in 30% of packs and a foil-stamped Signature Art card can be found in 5% of packs.) Each pack includes a combination of 1-4 cards of rarity Rare or higher and 3-5 Uncommon, 6-9 Common, and 1 Land cards (Full-Art Land in 25% of packs)
It might not technically say draw on it (a serious boon for a format in which Orcish Bowmasters sees so much play), but make no mistake: Necropotence will put a lot of cards into your hand