If you can't, exile it, then you may cast the exiled card without paying its mana cost." Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library
Players traverse the Multiverse, a realm of diverse magical planes, using "plane cards" to simulate planar travel
Having the option to destroy one or two weaker creatures, blast a 4-toughness creature, or smack 4 damage to your opponents face and stick a 3/4 with flying and lifelink is game-defining in the small ball style of Draft and Sealed
Are red planeswalkers really not worth the top slots
Other players, even those that the Voltron does not intend to attack, may strongly fear the Voltron player and decide to eliminate the threat before it becomes impossible to deal with