For instance kyoko umemoto had a style that I loved, but totally not appropriate for fluffy/furry characters like flareon or arcanine imo, but arcanine placed higher due to better background
Essentially, it can always be the best card on the board, unless that card is a land, which is highly unlikely outside of a few examples
This isnt THAT good with Engine since it only taps for 1 mana, but it does untap every iteration (unlike lands) and it lets you draw very aggressively and keep a fat mitt full of goods
Its a complicated, but potentially powerful choice to go for
By the same token, don't be afraid to enlist as many flunkies, minions, and cohorts as you need