I think sacrificing two artifacts is going to chew up more resources than people realize, and the mana cost on Breyas effect is small but not insignificant
This means that, while you'll likely never be able to buy the great Human tribal Commander Rick, Steadfast Leader ever again, you'll be able to buy a card with an in-Magic-universe flavour that does the exact same thing and is treated as the same card in terms of deckbuilding limitations
Eldrazi as a creature type in Magic are very popular already, and printings of a lot of them are few and far between
Tokens from cards like Pinnacle Emissary, Third Path Iconoclast, and Thousand Moons Smithy are essential for aggressive artifact decks
Virtue of Knowledge's ability affects a permanent's own enters-the-battlefield triggered abilities as well as other triggered abilities that trigger when that permanent enters the battlefield
"Lifetime" Pass Holder A Trail of Teacups Abduction Aberrant Mind Sorcerer Absolver Thrull Acolyte of Affliction Admiral Brass, Unsinkable Adwal, Breaker of Chains Agency Outfitter Ainok Wayfarer Airlift Chaplain Ajani's Aid Altar of the Wretched Amphin Mutineer Anathemancer Angel of Indemnity Angel of Sanctions Animate Dead Antique Collector Archfiend of Sorrows Archpriest of Shadows Arid Archway Ascendant Dustspeaker Ashiok's Forerunner Balustrade Spy Barrowin of Clan Undurr Bazaar of Wonders Bedlam Reveler Belfry Spirit Belonging Bitter Chill Bladewing's Thrall Blanchwood Prowler Blind Hunter Blood Fountain Blood Operative Blood Spatter Analysis Bloodwater Entity Body Snatcher Boneclad Necromancer Bonny Pall, Clearcutter Bookwurm Brass's Tunnel-Grinder Brazen Buccaneers Broodspinner Brotherhood Outcast Builder's Talent Callous Bloodmage Canoptek Scarab Swarm Canoptek Tomb Sentinel Capricious Hellraiser Carnage, Crimson Chaos Carrion Cruiser Carrion Imp Carrion Locust Cauldron Familiar Cavalier of Dawn Cavalier of Thorns Cemetery Desecrator Cemetery Gatekeeper Cemetery Protector Cemetery Tampering Cenote Scout Champion of Wits Chandra's Firemaw Charforger Charred Graverobber Chthonian Nightmare Clandestine Meddler Clattering Augur Clay-Fired Bricks Cleanup Crew
