In MTG, thats the amount of mana a card needs for it to be summonable
It's probably worth playing 1 once Anomalilith comes out in TCG because it's just so good to make, but right now I wouldn't play it
While they vary in strength and price respectively, each deck has a clear theme that features various factions plucked from each entry in the franchise
Not only is it one of very few Digimon games on a console as early as the Game Boy Advance, but its a classic kart racer in the vein of the original Mario Kart games
On the other hand, if a spell or ability deals lethal damage to a creature enchanted with an Aura that has totem armor, the game rules regarding lethal damage cause the Aura to be destroyed, not that spell or ability
However, Liliana of the Veils power level and track record in Modern indicate that she could become a mainstay in the competitive metagame