You can obtain the Cubone (1-Star rarity) card by opening Genetic Apex: Mewtwo from Genetic Apex set
Between MDFCs, vehicles, equipment, changelings, tribal support, planeswalkers and sagas, they really threw in the whole brainstorm whiteboard this time around
It means you can use spells for a given tribe without packing these in your deck
Some of the things I wrote about are still applicable now, but some havent aged as well given the context of the format as it stands today

Abandon the Post Abandoned Sarcophagus Abhorrent Oculus Abstract Performance Acorn Harvest Advanced Reconstruction Aerial Extortionist Alaundo the Seer Alex Wilder, Runaway All-Fates Stalker Aloe Alchemist Alrund's Epiphany Altar of Bhaal Alter Reality Ambush Wolf Amethyst Dragon Aminatou's Augury Amped Raptor Analyze the Pollen Ancestral Tribute Ancestral Vision Ancient Grudge Angel of the Dire Hour Angelfire Ignition Angelic Favor Annie Flash, the Veteran Annoyed Altisaur Anticausal Vestige Antiquities on the Loose Apex Devastator Apex of Power Appa, Steadfast Guardian Appeal // Authority Aquatic Alchemist Arc Blade Arcane Bombardment Arcane Heist Arcane Infusion Arcane Proxy Arcane Savant Archaic's Agony Archfiend's Vessel Archmage's Newt Ardent Plea Ardenvale Tactician Army of the Damned Arrogant Wurm Artful Dodge Artful Maneuver Arvinox, the Mind Flail Ashiok, Nightmare Muse Assert Authority Atraxi Warden Augury Raven Auron's Inspiration Aurora Phoenix Auspicious Starrix Author of Shadows Avatar's Wrath Aven Interrupter Azula, Cunning Usurper Back from the Brink Baron Helmut Zemo Bash to Bits Basking Rootwalla Battle Mammoth Battle Screech

As long as you can connect in combat, it's good for one shatter per turn, and even pops random planeswalker floating around