ex and mega ex pokemon cards POKEMON~100 CARD LOT~GUARANTEED EX. EX. FULL ART HOLO OR SECRET RARE! : Toys & Games Perfect for collection or investment. Here's Mega Skarmory EX From

Most of them merely require to you have both halves in play, like Brisela, but others may require both halves to attack (like Mishra, Claimed by Gix), or have a certain amount of cards in your graveyard (like Titania, Voice of Gaea)

The best one by far, however, is certainly Defiler of Vigor

Card Set(s) -ONE PIECE Heroines Edition- [EB-03] CARD VIEW EB03-003 | SP CARD | CHARACTER Uta Attribute Special Block Icon 4 Effect [On Play] If your Leader is [Uta], draw 2 cards

While it certainly makes sense in context and there's nothing too complex about it, it's not exactly two words I would have expected to see next to each other on a card

There are certain ways to make good use of this

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