mtg cards that allow walls to attack Wall of Denial It is the nature of evil to turn you against yourself Mobile Fort · Urza's Saga

It's arguably one of the best cards for Type Four from the set (Rules are - infinite mana but just one spell per turn so counters are good there since they cannot be overwhelmed by casting more spells than you have mana, and a five cost counter is first turn able there)

Still, its playable in decks that want the effect

Again, a big problem with this set is these are great in a vacuum, but not so great out of it

Oh, and it has a Chasm Skulk ability, except you have to spend a mana every turn to make it happen

It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on