It does a great job at explaining the functions of cards as well as their deck uses to make your deck do what you want every time
Shefet Monitor is another reliable card that provides an untapped ramp (deserts included) and a draw via cycling
Being able to get your board setup with the same Supporter you want in your discard pile is great, but it gets even better when you consider that Ethans Quilava [Destined Rivals] wraps this whole strategy all together with a nice little bow on top of it all
When it dies, it returns to the battlefield as Temple of Cultivation, which taps for a green mana and can transform back into Ojer Kaslem for 2G as long you control 10 or more permanents
At the end of the Damage Step, if the equipped monster battled a monster and is still on the field: Destroy the monster it battled
Although sturdiness is a bit like a creature's toughness, there's a wide range of it, and go too low and your card dies