mtg best defensive cards that prevent attacking "Don't attack me" cards : r/EDH sacrifice Defense of the Heart Resourceful Defense (Card) | EDHREC

There are codes in various real-life MTG products as well

On the low end, you can play a game remarkably similar to the RW deck, except with more emphasis on removal to prevent good blocks on your menace and trample creatures

It protects you from everything for a full turn cycle, then it becomes a card draw engine that scales with each activation

10 Murderous Cut Chop Chop Instant speed removal is great in any format, and a one mana spell that can take out any creature is even better, though Murderous Cut does have a small stipulation: it costs six mana

When a Siege is cast, its controller must pick an opposing player to be its defender