If another ability of a source you control triggers when attackers are declared, such as that of Hamlet Captain, you may have it resolve before or after that of Hanweir Garrison or Hanweir, the Writhing Township
Five-mana creatures have to be extremely good to see lots of Standard play because there is so much competition at that slot between the different mythics, yet I think Crested Sunmare can get there
It may not be accurate or complete
If sending just one or two cards, consider taping the card-holding top-loader(s) between two more empty top-loaders, for extra rigidity and peace of mind (ensure tape is applied at the sides, so there is no way for the card(s) to come in contact with the tape)
Pokemon can only attack once per turn
[188] In one of the drafts of this letter, Marx reveals his growing passion for anthropology, motivated by his belief that future communism would be a return on a higher level to the communism of our prehistoric past