While plenty of Archetypes have Monsters that are the same Type, "Rivalry Of Warlords" is best used in Zombie Decks due to access to "Zombie World." Since "Zombie World" changes all Monsters into the Zombie-Type, unless the opponent is playing a Zombie Deck they will be locked out of Summoning Monsters entirely
Table of Contents show What Are Land Search Cards in MTG
Table of contents About System Reset System Reset, Mechanologist action, designed by None first released in Oct, 2023 in the set Bright Lights
All in all, the upgrades make the deck quite a bit better, adding two extremely powerful options to the mix
If the result is tails, the Pokmon instead damages itself, and three damage counters (or 30 HP of damage) are applied to the attacking Pokmon