It gets silly quickly, and even if its taken out by targeted removal the Thopter tokens stick around as 1/1s
Copying your best creature every turn turns even small plays into game-ending threats, especially in a deck full of goblins
Akroma's Vengeance Austere Command Back to Nature Bane of Progress Calming Verse Cease // Desist Cleanfall Cleansing Meditation Cleansing Nova Death Begets Life Dismantling Wave Echoing Calm Essence Filter Fade from History Fracturing Gust Gauntlets of Chaos Hakim, Loreweaver Hush Magus of the Disk Multani's Decree Nevinyrral's Disk Nevinyrral, Urborg Tyrant Nova Cleric Paraselene Patrician's Scorn Primeval Light Purify Rampage of the Clans Remove Enchantments Reverent Silence Root Greevil Serene Heart Serenity Spring Cleaning Tempest of Light Tranquil Domain Tranquil Grove Tranquil Path Tranquility Treefolk Mystic Winds of Rath
Liberated Livestock Liberated Livestock is expensive as a vanilla 4/6, but it gives you a small army when it dies
In this way, you can get these cards as often, in total, as you can get cards that are only available in a single treatment
#63 at the end of each month going back as long as we have tracked the item.