Six mana is quite a lot, but I can see Ysthola fitting well into both flicker decks and decks that mess with upkeeps and endsteps
While there are some Tool cards that are also Ace Spec cards, we have excluded those on this list as their powerful effects come at the drawback of being the one and only Ace Spec in your deck
Many of the cards in the Sapphire and Steel deck are expected to become ink in order to get to the heavy hitters, Maui and Simba, which leaves quite a few that, if not played as ink, are not very useful
Using "Disconnect Linker", Playmaker took back "Restoration Point Guard" and used it to summon "Secure Gardna" to protect himself, and prevent Revolver's "Topologic" dragons in Extra Monster Zones from attacking
Its Rollout attack got stronger each turn and could steamroll unprepared players
Collective Unconscious AND Shamanic Revelation Next are all of the "Draw cards equal to your critter count" which are better than Regal Force since they count all dorks even colorless or other colors