Your entire board would attack as 5/5's and you'd draw a card for every creature you control with Kudo already in play
For instance, Umbreon ex has an attack costing one Darkness, one Lightning, and one Psychic energy, while its counterpart Espeon attacks with Grass, Psychic, and Darkness energy
Why its a contender: It is arguably the most efficient and unconditional creature removal spell ever printed, permanently handling any threat for a single mana
Evolves From Cards by miki kudo Frequently Asked Questions How can I obtain the Altaria with 3-Diamonds rarity from the Secluded Springs set
However, the most prevalent example of this playstyle in recent memory was the Centur-Ion archetype, and Centur-Ion is crucial to this archetype's ability to play during the opponent's turn
These are not the most expensive cards and the value doesn't change much for them between grading numbers