mtg legend rule doesn't apply cards that ignore legendary Clarification on "Legend Rule" and Triggering The legend rule doesnt apply to permanents you control.Each legendary creature you control gets +1/+1 Can I make any creature

Refurbished Familiar A 2/1 with flying that forces your opponents to discard a card is great value when you only pay 1 black mana for it in most instances

Aint no stinkin way youll lose

Another subtlety is that although excess damage applies to creatures, planeswalkers, and battles, some excess damage cards care about overkilling a specific type of permanent

As far as the individual abilities go, nothing is overtly powerful about The Darkness Crystal, either

Its incredibly serendipitous that the same cards we want for tapping our Tahngarth will also let us tap our Scaretiller on demand

Assuming your opponents dont remove any of your creatures