Effects that trigger whenever you draw a card and/or punish your opponents for drawing cards, like Sheoldred, the Apocalypse, only trigger for effects that literally say draw in their description
Library ninjutsu ability can be activated only while you're searching your own library and only if you control at least one unblocked attacker
That is a better payoff in cards per ink ratio than even Friends on the Other Side (when you pay the three of course, not when sung for free)
Ultimately step number one is identifying what you want and who you want to do the alter
Sideboarding in particular can be extremely tricky as well as sequencing, especially of two-drops, and thats before even getting to the complexity of on board play and when to commit to sacrificing how many creatures
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