Kefka, oh Kefka, you gave us so many amazing concepts to make cards for
The easiest way is with a Firebrand Archer, a cheap red creature printed in Foundations, which deals one damage to each opponent whenever you cast a noncreature spell
Focussing on sacrificing just about anyone and anything to achieve his goals, Sephiroth encourages you to keep sacrificing creatures to heal, deal damage, and draw, all to gain access to his incredibly powerful alternate form
Modify the deck over time as your collection grows
By playing enough of both, you'll be passively gaining lore, draining your opponent, and have a board state that will be very tricky for your opponent to unpick in time
Lady is sitting gracefully in a glowing basket that blends itself into the magical environment as she looks on at her friends and a baby carriage in the distance