ashened yugioh deck CoreTCG Comes with a pull Obsidim, the Ashened City -

The aura rune draws that player a card, pumps a targeted creature plus-one attack, and provides it Haste

It's also a good deterrent

You're often locked into Wyrm monsters because of Ashuna, and this gives you the very important second rank 8 to make in those situations, and as a bonus it it good going first or second and trigger's Cheng Ying

The Starter 17 deck is full of Characters that Doflamingo can cheat out

Sliver Queen, Ezuri, Renegade Leader, and General Tazri are examples of commanders that fall into this category

In exchange for this utility and the lack of colored mana symbols in their costs, however, colorless spells tend to be less efficient than their colored counterparts