While card types like enchantments or artifacts do help to minimize Umori, the Collector's drawback since there are artifact / enchantment creatures and removal spells, making it possible to make a semi-functional deck with Umori as its companion, even in these cases, a decent body that offers a slight discount on your spells doesn't seem worth the effort
This Oketras double strike and the vigilance its tokens have also make it a good fit for Odric, Lunarch Marshal keyword soup
The Pokemon TCG Pocket meta revolves around one key concept: elemental type synergy
: Level 2 Treasures you control have ", Sacrifice this artifact: Add two mana of any one color." : Level 3 Whenever you cast a spell, if mana from a Treasure was spent to cast it, this Class deals damage equal to that spell's mana value to each opponent
When metallic, it is accompanied by the sound of a disharmonious bell