Tiered cards will offer three different effects, increasing in effectiveness with how much mana is paid
Frequently, youll get that Surveil trigger the turn you play it too
Its a super versatile card in that respect
They used to be sealed, Plmason explained

Admonition Angel Adventuring Gear Aesi, Tyrant of Gyre Strait Ambrosia Whiteheart Architect of the Untamed Avenger of Zendikar Baloth Woodcrasher Black Chocobo Bloodghast Bristly Bill, Spine Sower Calcite Snapper Canopy Baloth Canyon Jerboa Caustic Crawler Choco, Seeker of Paradise Chocobo Racetrack Claim the Kingdom Courser of Kruphix Dreadwurm Druid Class Dnedain Rangers Earthbender Ascension Elfsworn Giant Embodiment of Insight Emeria Angel Emeria Shepherd Eternity Vessel Eumidian Terrabotanist Eusocial Engineering Evolution Sage Fearless Fledgling Felidar Retreat Fledgling Griffin Floral Evoker Genemorph Imago Geyserfield Stalker Glacier Godmaw Glyph Elemental Grappling Kraken Grazing Gladehart Greensleeves, Maro-Sorcerer Groundswell Guardian of Tazeem Guul Draz Overseer Hagra Crocodile Hedron Crab Hedron Rover Hedron Scrabbler Icecave Crasher Icetill Explorer Ior Ruin Expedition Iridescent Vinelasher Jaddi Offshoot Ka-Zar of the Savage Land Kazandu Mammoth Kazandu Nectarpot Khalni Heart Expedition Lotus Cobra Maja, Bretagard Protector Makindi Ox Mightform Harmonizer Mole Man, Moloid Master Mossborn Hydra Murasa Ranger Mysteries of the Deep Nissa of Shadowed Boughs Nissa, Resurgent Animist Nissa, Worldsoul Speaker Ob Nixilis, the Fallen Ondu Greathorn Oran-Rief Hydra Primeval Bounty

It runs well enough, has cool animations, and allows games with my friends to play out with minimal fuss