Giving it to them forever, of course
The good news is that both of these cards are extremely strong and can win games out of nowhere
5 Titania, Nature's Force Titania, Nature's Force is a unique mono-green Elemental commander that blends synergies with Forests and self-mill in order to create a sizable force of Elemental tokens
Green had enormous, powerful creatures, but was not very proficient at making sure you drew them
So, if we clone Jin Sakai with Sakashima of a Thousand FacesSakashima of a Thousand Faces and Spark DoubleSpark Double, we won't have to give Fallen ShinobiFallen Shinobi or Silent-Blade OniSilent-Blade Oni unblockable
I mean, Urza and Mishra did build and use mechs in the war (see the basic lands earlier in the article), so theres at least a thematic fit there