pokemon card gambling (Pokémon TCG Pocket deck, Darkness, Water) Fossil 1st Edition Type Pokémon and Baseball Cards Are

Some corrupted abilities are activated abilities that can be activated only if an opponent has three or more poison counters

Other effects can make you shuffle, like Chaos Warp

Urborg, Tomb of Yawgmoth $11.99 Urborg shows up all over Modern and Legacy, seeing play in Ad Nauseam, B/G Depths, Eldrazi, Stax, 8-Rack, Abzan, and Jund

Giratina ex (Psychic / Shining Revelry) Giratina can self-charge itself with Psychic energy and deal guaranteed 130 damage, at the cost of taking damage

Once per year, when the fall set releases, the four oldest sets in Standard rotate out

between the first and second game will just lead to a variety of Game-Breaking Bugs