This is a hugely impactful spell that is often not respected enough in Constructed formats
As a result, youll find aggro strategies in particular to be less popular, and combo strategies to excel in this multiplayer format
If you do cast it, resolve the second spell

Section 30 Summary Input: One playing of Southern Paladin Output: Lots of reuse of Spinal Villain Layer count: For each Bloodbond March, for each Clash of Realities on a new Mimic Vat, for each Guilty Conscience on Mimic Vat, for each Rite of Passage putting counters on Mimic Vat, for each Doubling Season on the Rite of Passage counters added to Mimic Vat, for each Rings of Brighthearth on Sinking Feeling's ability while it's attached to Mimic Vat, for each Rings of Brighthearth on Mimic Vat's ability, for each Clash of Realities on Southern Paladin, for each Guilty Conscience on Southern Paladin, for each Rite of Passage putting counters on Southern Paladin, for each Doubling Season on the Rite of Passage counters added to Southern Paladin, for each Rings of Brighthearth on Sinking Feeling's ability while it's attached to Southern Paladin, for each Rings of Brighthearth on Southern Paladin's ability, for each Grip of Chaos, for each Psychic Battle...15

Plus, a very high perk for GW decks, Polukranos Reborn gives you quick recovery from board wipes
Though most of them enter tapped, the fact that they can become creatures later on in a game more than balances this out, giving them value that far outweighs that of your average basic