Nemesis of Mortals This has always struck me as one of the great names and concepts from Theros Block
On his own, he is a blue and black Dragon that costs six mana and enters with three power and five toughness in addition to the Deathtouch ability, which lets him kill any creature he damages
Jester's Sombrero is a reference to Jester's Cap, except sombreros are funnier and there's also a chihuahua in the text box
The Yoshitaka Amano illustration re-imagining Purphoros as Kefka Palazzo has settled in the former camp
Unsurprisingly, the list is full of powerful, and popular, legendary creatures
You can target Captain America and have its power be dealt to all other creatures and opponents, as Captain America will often have high stats thanks to all the Equipment on it , especially ones that give large stat boosts