Red has plenty of cards like Jaxis, the Troublemaker that can make copies of your creatures, but nearly all of them require you to sacrifice or exile the creature at your end step
Most countries sent their top four players of the tournament as representatives, though nations with minor Magic playing communities would sometimes only send one player
They're pretty ubiquitous across fantasy as a whole, and are plentiful in Magic: The Gathering in particular - it is a fantasy TCG, after all
As The Mimeoplasm enters the battlefield, you may exile two creature cards from graveyards
Sometimes you want it if you have many Unholy Heat and you care about delirium
Like the other enduring cards, Enduring Courage returns as an enchantment after being destroyed, which this card is hardly phased by compared to other Glimmers, only being a 3/3 creature otherwise