In modern Yu-Gi-Oh, where double-digit monster effects fly around calmly, being able to activate monster effects only three times at most is brutal at a level that surpasses most of his Continuous Trap
I've also focused on cheap protection for Cloud like Loran's Escape, and something that nobody really talks about is Green's "draw cards equal to power" which is bananas here like Hunter's Insight which is easily a 3 mana draw 7+, I find it kinda silly that all the precon guides are focusing on more expensive and less efficient draw options like Sram, Senior Edificer or even Sword of Fire and Ice when you can just out-value all of that with cards that are less than a dollar
Another good thing to say about Jace is, that it can play around hate really well
Here is a quick guide to verifying the authenticity of your card: Look at the back of the card
All 100 Fusion Arts Cards Officially Revealed
Crow Summons it, causing Yusei and Jack's Marks of the Dragon react to it, as they conclude that its also Crow's Signer Dragon