Enchantment - Aura Martial Impetus Enchant creature Enchanted creature gets +1/+1 and is goaded
Then if cast from exile you'll also gain twice that power's life - great for saving yourself and then free in Type Four where you have infinite mana but just one spell per turn barring alternate costs like Force of Will or this
I have seen a list with Sinkhole but as with Wastelands I think that you are spreading this list too thin if you try and attack each resource directly
The card itself is a pretty solid commander staple, allowing you to counter a non-creature spell for only a single blue, at the expense of giving the opponent two treasure tokens, but for the low cost and the kitty Jace, the community has deemed it a worthwhile tradeoff in the number four spot
For the full real-versus-fake checklist, the loupe test, the light test, and the slab checks, see how to tell if a Pokmon card is fake