Basically, if you can't win with free mana, cards and 4/4 fliers then something is seriously up
Prior to 2003, the set symbol and number were sometimes placed on the bottom left of the card, and in the earliest sets, such as Base Set and Jungle, no set symbols were used at all
Radiant Eternatus solves both problems in one move
8 CARD VIEW P-098 | P | CHARACTER Buggy Attribute Slash Block icon 3 Type The Four Emperors/Cross Guild Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Play] If you do not have 5 Characters with a cost of 5 or more, place this Character at the bottom of the owner's deck
Outside of Kirri themselves, its a great help to the deck to make the plant tokens Yuma makes even more threatening and helps gets your lands back to make even more tokens