Starting with Structure Deck: Kaiba Volume 2 , they were consistently referred to as "Flip Effect Monsters"
(A player with ten or more poison counters loses the game.) And the seraphs sob at vermin fangs In human gore imbued. Edgar Allan Poe, The Conqueror Wurm Illustrated by Ron Spencer Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Based on the latest market prices tracked on TCG Stacked, Topography Tracker is worth about $0.38 USD
Anoint with Affliction: Exile removal that gets better as the game goes on Sheoldreds Edict: Having opponents sacrifice a nontoken creature is spicy Scheming Aspirant: A way to help proliferate heavy decks along a bit toward a win Necrogen Communion: Put it on an evasive body to enable poison kills and get the creature back again
In addition, Electric decks can't recover Energy as easily as other decks, which is what makes Switch such a necessity in a Pikachu & Zekrom-GX deck
Probably the same reason people climb Mount Everest, do 24-hour live streams, or take ice baths
