In my most humble opinion, the strongest Warhammer 40k Commander deck is Necron Dynasties
Modern-day iterations of these Dual Lands will have some type of drawback to using them, either by paying life for them to come into play untapped like the Shock lands, or more commonly, not having a basic land type associated with them
Instead of getting clearance, Jessie busts her way in, with James and Meowth following immediately after her, leaving the door unguarded for you to make your way in
The Full-Art Garruk, Cursed Huntsman was $50, and its foil variant would set you back $100
Embermaw Hellion: an additional hit for one is not great if you have two or three critters, but if you have six or seven goblin tokens on the field, this effect can win games
An example is Royal Decree, which is a Continuous Trap Card that prevents the use of other Trap Cards