20 extra damage is the difference between hitting or whiffing a knockout in so many situations that I dont think this deck would be playable without it
For each head that you land on, Marowak ex will do 80 damage
If a creature with Evolve enters the battlefield at the same time another creature does, the ability triggers in case the condition is true: If on resolution of Angel of Glorys Rises EtB-trigger you return Experiment One and Burning-Tree Emissary, Evolve will trigger due to rule 603.6a Each time an event puts one or more permanents onto the battlefield, all permanents on the battlefield (including the newcomers) are checked for any enters-the-battlefield triggers that match the event
10 Aurelia's Vindicator (Showcase) (Invisible Ink) Foil Value - $18.11 An absolutely wild mythic from Murders at Karlov Manor, Aurelias Vindicator is loaded with keywords and abilities to make it a huge threat on the battlefield
I like to run two equipment in almost any deck in which I play Stoneforge
Even a well used copy of the card is worth around $75 with better ungraded specimens regularly fetching more than $100