Gifting can be handy as it can make a decent card a strong card, but your opponent gains a small benefit from it
On the low end of the scale, Kalemne wants you to cast big creature spells to make one big general, Daxos asks you to cast enchantments, then pay three mana per token
It helps out a popular tribe from the Command Zone in the Orzhov colors from the Amonkhet Block
Its cool, but lets be honest, its also kind of a mess
Spinnerette, Arachnobat If your play group approves of Un-Set commanders, Spinnerette, Arachnobat is undeniably an option for your spider deck
Ben Guilfoyle uses a budget Kess, Dissident Mage control shell as a running example to teach a repeatable process: define a vision, choose the right commander, build in packages, and tune your mana and gameplan over time