ampharos pokemon card · HeartGold & SoulSilver (HS) #105 ‹ PkmnCards Colorless Electron Crush (100+) You may discard 3 Lightning Energy from this Pokémon M Ampharos-EX | XY—Ancient Origins

Doctor Doom, Unrivaled You rarely see creatures that just tap to draw cards, which makes Doctor Doom, Unrivaled a little interesting

This commander is a discard payoff, and its a nice combo with Sadistic Hypnotist since you can sacrifice the elf tokens to make them discard more cards and make more elf tokens

Borderless Ichor Showcase There will be 67 cards across all rarities featuring the Borderless Ichor Showcase frame and inky-style art, though most of them will be Phyrexian

TL;DR: There are four mechanics: Party, modal double-faced cards, Kicker, and Landfall Pathway dual lands that use the modal double-faced card mechanic

This count includes all variations that present a visually or historically unique physical card to a collector