It's not even a basic land requirement, sacrifice that dual land all day long for any land as well as a growing retreat
In different areas of the world, different rules and restrictions may apply to what can be openso please take appropriate precautions, be aware of government-level requests, and do only what you feel comfortable with
This will make it much harder to tamper with boxes, as was possible with The First Chapter
Using the Book of Vile Darkness in combination with the Hand and Eye of Vecna, you can call him forth as an 8/8 indestructible Zombie God who can draw you cards, create Zombie tokens, and buff himself or another creature once per turn
Thats what you get for 5 mana these days
If The Warring Triad is attacking or blocking and it stops being a creature, it will be removed from combat