You can focus on many eldrazi creatures that make scions and spawns and play something like Broodwarden and Mondrak, Glory Dominus
Fans have been enamored with this understated take on encountering a wild Pikachu in the woods, illustrated by Light Novel artist booota in their debut English Pokmon card
However, as an inclusion in other decks, like Yuriko, it can make for a nasty source of hand advantage
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Planechase cards easily slot into any casual game as desired, and sets like Doctor Who are casual by nature
For example, if a ward creature has 6 health and you want to remove it using two [c]Lightning Bolts[/c], youll have to pay the ward cost twice (once for each Lightning Bolt)