who grades marvel cards CR 1990 Impel Marvel Universe #161

Many cards contain not only normal illustrations but also cards with different illustrations, and the contents vary from ace monsters that appeared in successive animations to cards that are active in competitions

Since your opponent has a monster under the effect of Zombie World, it is a Zombie, thereby the user activating Rivalry of Warlords is now able to force this user into only being able to control, or summon Zombie type monsters while it is on the field, and no player can attempt a summon of a monster that is not of that type

Put a creature card with an even converted mana cost from among those cards onto the battlefield under your control

I think thats way better than a bunch of random creatures reduced to power and toughness scores

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