It isnt impressive as a 5/5 trample, but its easy to gmake it a 9/9, and if you can pay the cost, were talking eight +1/+1 counters, effectively attacking as a 13/13
This would just result in an okay creature that has a decent ability that might not make it to the next turn

If Chaos Orb flips over completely during the flip, and lands resting on the permanent chosen, destroy that permanent, and then destroy Chaos Orb." - Upon mutual agreement before a match, errata can instead read: "Pay 1, Tap: Destroy target permanent, and then destroy Chaos Orb." Banned List: - Contract from Below - Darkpact - Demonic Attorney Restricted Cards Power Group (Pick 1): - Ancestral Recall - Balance - Braingeyser - Chaos Orb - Mind Twist - Time Walk - Timetwister - Wheel of Fortune Fast Mana (Pick 3): - Black Lotus - Sol Ring - Mana Vault - Mox Emerald - Mox Jet - Mox Pearl - Mox Ruby - Mox Sapphire Restricted List (1 of Each): - Channel - Control Magic - Demonic Tutor - Earthquake - Icy Manipulator - Jade Statue - Regrowth - Time Vault Moderated List (Max of three each) - Berserk - Birds of Paradise - Black Vise - Copper Tablet - Counterspell - Hypnotic Specter - Juggernaut - Lightning Bolt - Lord of Atlantis - Psionic Blast - Savannah Lions - Sedge Troll - Sinkhole - Swords to Plowshares

While these will only give you a temporary boost, they'll also trigger multiple effects from your permanents and build up your storm count for a big finish with Grapeshot
While Decayed from Midnight Hunt was fine , Exploit works better to make you feel like a callous necromancer, cutting down your worthless zombies for profit
Although the decks looked fine, I understood these were early drafts and probably a lot of possible tuning to be made