In that variant the Garruk card starts face up and never leaves the table, so it doesn't hurt that it's oversized
Regardless, here's a brief justification of my rankings
The frames had to not change the readability of the cards too much after all, newcomers need to know which bits of text they need to read but it worked around that by plastering gaudy patterns on top
Being able to sacrifice the big creature you Stationed it with to get a massive hand refill is very, very efficient for just three effective mana and two life
Daxos is a great option for an Orzhov enchantment commander, providing additional value to each enchantment, providing access to a means of weaponizing each enchantment cast
Lastly, cards that directly strip hexproof away, such as Shadowspear, are some of the cleanest answers you can run