Especially when you take into account bigger Pokemon forms such as VSTAR and the like, HP stats go out of the roof
These cards work exactly the way you asked, you cast one half of the card for the casting cost, get that effect and the whole card goes to the graveyard
Weapons Manufacturing I Cast Gun, Prepare To Meet God With Weapons Manufacturing, Magic got two new artifact tokens to join the ranks of Treasure, Clue, and Food
I definitely see this being played in a control deck to make sure you never deck out, and it might be better than Pidgeot V [Lost Origin] because you can use it from the Active Spot or the Bench
If you cast Mind Control targeting the relic, as soon as the Relic falls under your control, it stops being a creature, and therefore, Mind Control can no longer enchant it
Unless you count the fact that he was caught in the act on the store's CCTV