Why not just Solitude/Ephemerate and get a five-mana creature for one-mana, and take two of your opponents creatures along with it
Most brands will occasionally put out limited edition art sleeves, and what you decide to get should depend both on what art you want to add to your collection and which brands youre OK with paying for
If you attack the same player with a seven-power creature with First Strike and one without First Strike, youll get two extra combats as a result if both get through
If you happen to gain three or more life at the start of each turn, Gwaihir makes a 3/3 Bird creature token
It can be scary just to have this card on the battlefield as a huge flier, but once youre buffing your whole army, your opponents wont even want to sacrifice their Treasure tokens
Another fantastic current artist is Cynthia Sheppard, whose Shadow Alley Denizen is simply beautiful