I played as a purely casual player for a couple of years when I first got into Magic , and while we had free mulligans and no clue about formats, we still wouldn't let people play with silver-bordered cards
Dragon Appeasement doesnt even give you a way to sacrifice anything
Why won't you let me make you kill yourself with my Sheoldred, the Apocalypse
(You can see those columns here.) This time around, instead of talking color philosophy, I'm talking design
If you are capable of healing your cards, through items, actions, or character abilities, and Beast, Tragic Hero has damage on them at the start of your turn, you can let them attack and then heal them, allowing you to still benefit from the increased strength but keeping them healthy enough to stick around
Low-curve aggro decks can function with as few as 20, while control decks often require 26 or 27