In most cases these alternate methods also do a fair job of ensuring randomization of the cards when performed an adequate number of times
Kodama of the East Tree hails from the mythical realm of Kamigawa, and thus 6/6 Spirit can block fliers and put extra permanents onto the battlefield free of cost
It dies again, and now you grab it, tap it, and attack with it using Aleshas attack trigger
with two instances of the first trigger and one double from the attack trigger, The Thing is already a 21-power commander, so it's just a matter of backing it up with the right noncreature spells anhd connecting in combat
If you try to attach the Aura Equipment to a creature it can't legally be attached to, it remains where it is
The format allows for a 40-life starting total and the usual seven cards in hand, and Karn augments both of these figures positively