registeel ex pokemon card Hidden Legends Ultra Rare Colorless Retreat Cost Pokemon Card JP Dragon Blade

Their creatures are all things you can kill without throwing multiple cards against them

I get a Mentor and Pyromancer in play but the fact that hes a creature deck means he can block

If the strategy revolves around using Articuno Ex to attack, having more Basic Pokemon in the deck decreases the likelihood of starting with Articuno Ex, the main attacker

Where it doesn't: Collection management is bare-bones

An easy exploit for this is to look towards colorless spells to spend all that mana on

In the case that Onion Knight is no longer on the field when the ability resolves, this is based on Onion Knights last known power just before leaving the field