Mossfire Valley
Its very common nowadays to see legendary creatures having something to do with saboteur abilities, because its easy to build an EDH deck around a card-engine system
When you cast Strongarm Tactics, youre committed to losing two cards the Strongarm Tactics itself plus whatever card you discard
Meltstrider's Resolve takes the fight auras template, shaves a mana off the cost, and even adds in some extra evasion
The most obvious way to tell is if your card is shadowless is if the bottom of the card says 1995, 96, 98, 99 Nintendo Creatures If the card has the year 99 at the bottom, then it is shadowless
It can be difficult letting go of a card that has been so integral to one of your favorite decks for so long, but much like Jund Midrange players had to cut Dark Confidant, so too must Death & Taxes players cut Leonin Arbiter from their decks