yugioh honest card - Ghost (1st Edition) - Yu-Gi-Oh! 1100/1900 Attribute Honest (Duel Links) - Yugipedia

This kills a whole lot more both in terms of targets and size there of than Thunderclap does

The card is essentially the poster child for Modern Horizons power creep, pushing the envelope on what a one-drop can do off the deep end

Each Myr you have that produces mana can produce mana twice in the same turn, so that allows for a lot of mana producing and color fixing

Deep within an icy research facility on the moon's surfaceif one were lucky enough to locate itare the notes of a long-dead scientist, joyfully monitoring the progress of their creation

This means it cannot attack or use certain abilities that cause the creature to tap