From iconic creatures like Eternal Witness to the meanest of monsters like Atraxa, Grand Unifier, enter triggers are a way of guaranteeing a permanent comes with some value no matter how quickly its removed afterwards
In elf typal, this likely means making tons of elves and swinging wide to draw a bunch of cards
Rikus deck would be the one to double the number of boogeymen per release
The source does not change the collation
Two years ago I wrote my first primer on Werewolf Tribal, back when we only had two Innistrad sets worth of Werewolf support
COMPLETE COMMANDER EXPERIENCE INCLUDED - Everything you need comes in one box, including double-sided tokens, a deck box for safe storage, a strategy insert to guide your tactics, and a reference card for quick gameplay supportmaking it easy to stay organized and ready for battle anytime