Thickness ranges from 0.25mm to 0.76mm
Its not making a rubbish token either
Because if this field spell would be destroyed by a card effect, you can simply remove 2 shine counters from it instead, leaving it safe to buff up your monsters for the rest of the duel
I sold 5 each of the red and green Zard for around $200 each in ~2018 ish
All-Out Assault Betor, Kin to All Call the Spirit Dragons Clarion Conqueror Craterhoof Behemoth Death Begets Life Dracogenesis Dragonback Assault Elspeth, Storm Slayer Jeskai Revelation Mox Jasper Narset, Jeskai Waymaster Neriv, Heart of the Storm Perennation Rot-Curse Rakshasa Sarkhan, Dragon Ascendant Shiko, Paragon of the Way Skirmish Rhino Smile at Death Stormscale Scion Taigam, Master Opportunist Teval, Arbiter of Virtue Ugin, Eye of the Storms Ureni, the Song Unending