These cards prevent a variety of opponent actions and make them have to change how they successfully do their full combo
Illustrated by Mark Poole Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
For example, if a card tells you to search your discard pile for a Pokmon and put it into your hand and you have both halves of Ho-Oh LEGEND in your discard pile, you may only put one of those two halves into your hand
If this card has a trap monster as an XYZ material, then you can detach an XYZ material from this card to search out any Palaeozoic trap card straight from your deck to your hand meaning those trap cards you can activate instantly will be the best of the best
(I believe Myr Enforcer as a myr was a flavor mistake.) It needs to not step on the toes of any color with its ability
While biting opponents' creatures and turning them into vampires is well and good, for five mana, Olivia can gain control of any other vampire