"Magic design is a rag tag group of individuals from a ton of different backgrounds, so it's only fitting that we fly in the ship that embodies that mantra
If you gave me the choice between one foil Arclight Phoenix (a card at the end of its season) and two nonfoils, Id take the foil in a heartbeat
3 Some tribes may need support by other ways of design, or rather you can tailor some of them to help support archetypes in your cube (my soldiers can support generic aggro, token, heroic, and probably some other things as well)

Abandon Attachments Abzan Charm Agency Coroner Aggressive Mining Alhammarret's Archive All-Seeing Arbiter Alms Collector Alpharael, Dreaming Acolyte Altar's Reap Arm-Mounted Anchor Artificer's Epiphany Artistic Refusal Arwen's Gift Atemsis, All-Seeing Azorius Locket Azra Oddsmaker Bad Deal Battle of Frost and Fire Battlewing Mystic Bazaar Trademage Bazaar of Baghdad Behold the Multiverse Behold the Unspeakable Bequeathal Big Score Biomechan Engineer Birth of the Imperium Bitter Reunion Black Widow, Intel Expert Blighted Cataract Blitzball Blood Scrivener Bold Biochemist Boros Locket Bringer of the Blue Dawn Brokers Charm Byway Barterer Calamitous Tide Careful Study Carnival Elephant Meteor Case of the Crimson Pulse Case the Joint Catalog Ceta Sanctuary Chart a Course Chemister's Insight Cipherbound Spirit Circle of Power Citanul Woodreaders Clandestine Work Clockwork Fox Cloudblazer Coastal Discovery Commence the Endgame Conch Horn Consecrated Sphinx Contact Other Plane Corrupted Conviction Costly Plunder Counsel of the Soratami Courier's Capsule Cruel Truths Crushing Disappointment Cult of Skaro Curator's Ward Damocles Base, Sword of Kang Dangerous Wager Daredevil Dragster Deadly Dispute Deadly Dispute Decode Transmissions Defacing Duskmage

Surface Use a light source at an angle to reveal: Scratches (common on holos) Dents or indentations Print lines (factory defects) Dirt or residue Tip: Holographic cards show surface wear more easily than non-holos
So, you can get stuff with cycling or channel or transmute or cast triggers and similar effects