Supertypes like legendary and subtypes like equipment arent included in the number of different card types in your graveyard, so you have nine different card types to build into your deck and get into your graveyard: Artifact Battle Creature Enchantment Instant Kindred (formerly Tribal) Land Planeswalker Sorcery This focus on building the right deck with a variety of card types is why well have commanders with the delirium mechanic, and some that dont that still fit this dedicated strategy
Graded Population Report: Iron Treads [Reverse Holo] #118 Visualize the distrbution of grades in the chart
Grade: PSA 10 Price: $87,500
Amonkhet had a tiny artifact theme (there are a bunch of top-down Egyptian artifacts), so it fit flavorfully
Weakness: Fire Resistance: Grass Retreat: 4 Heatran VMAX - Fire - 330 HP Pokmon - VMAX - Evolves from Heatran V Ability: Magma Gain Once during your turn, if you have a Stadium in play, you may heal 50 damage from this Pokmon
This could mean that a card's in-game effectiveness completely reshaped the competitive meta for a time