When all is said and done, the single green mana for Young Wolf nets you a 1/1 and a 2/2 across two bodies, just not all at the same time
Thanks to her inherent ward ability, Gisa can require a hefty investment by opponents to take off the field
Aside from being a human, which is a very relevant creature type in Commander, Modern and basically every other MTG format, Esper Sentinel is good because it reads: Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays X, where X is Esper Sentinels power. Its a bit like Rhystic Study, but the cost can be far higher if youve got things that make humans stronger or you can put +1/+1 counters onto Esper Sentinel
When a deck runs over thirty mana sources it doesn't want to be forced into playing three-drops that are creatures but it also wants three-drops that will help it attack
Serpent's Pass
I guess you don't get anything back