Size is 2 7/8" x 3 7/8" for standard size trading cards that are THICKER
Ricardo Silva Ive written an article about Mishras Baubles prevalence and utility in Modern for Three For One Trading in the past

Aang and Katara Aang, Airbending Master Akoum Battlesinger Akoum Flameseeker Allied Reinforcements Allied Teamwork Allies at Last Ally Encampment Angelic Captain Appa, Steadfast Guardian Appa, the Vigilant Avatar Enthusiasts Bala Ged Thief Boiling Rock Rioter Bojuka Brigand Captain's Claws Chasm Guide Drana's Chosen Earth King's Lieutenant Earth Kingdom Protectors Firemantle Mage Founding of Omashu Gather the White Lotus General Tazri Gideon, Ally of Zendikar Graypelt Hunter Great Divide Guide Grovetender Druids Hada Freeblade Hagra Diabolist Hakoda, Selfless Commander Halimar Excavator Haru, Hidden Talent Hero of Goma Fada Highland Berserker Hook Swords Invasion Reinforcements Iroh, Tea Master Jasmine Dragon Tea Shop Join the Ranks Joraga Bard Jwari Shapeshifter Kabira Evangel Kalastria Healer Katara, Water Tribe's Hope Katara, the Fearless Kazandu Blademaster Kazuul Warlord Kor Bladewhirl Kor Entanglers Kyoshi Battle Fan Kyoshi Warriors Lantern Scout Loyal Fire Sage Mai and Zuko Makindi Patrol Makindi Shieldmate Malakir Soothsayer March from the Tomb Master Piandao Match the Odds Munda's Vanguard Munda, Ambush Leader Murasa Pyromancer Nimana Sell-Sword Oath of Gideon Ondu Champion Ondu Cleric Ondu War Cleric Oran-Rief Survivalist Path to Redemption Planar Ally

BREAKFAST You cant start the day without a good breakfast
The pool of reprints utilizing energy counters was rather shallow, which was both a challenge and an opportunity
HeartGold & SoulSilver (2010) As a refined reintroduction to Johto, this set digs into Gen II nostalgia with clean, golden-bordered cards and a return of classic mechanics like Double Colorless Energy