Id be shocked if Phasing were on anyones bingo list for 2020, much less in a Core Set
For example, if you are affected by Null Profusion (an enchantment that sets a player's maximum hand size to two) and then resolve Inspired Idea without paying its cleave cost, your maximum hand size would be zero
As a result, if you can kill the (usually heavily guarded and well protected) general, you can gain such an absurdly huge advantage that, even if your opponent is in an amazing position, you can still win
Most of the gemini monsters are way too slow, having to normal summon them twice to get their abilities but Il Blud is such a good monster that its definitely worth waiting around for
This essentially laminates the card and offers maximum protection
If you know your opponent will side into backrow-removal, Judgment resolves that issue, and if they plan to try to combo off, Strike is another way you can interrupt their plays