Type disadvantage, a bad opening hand, clever plays by your opponent - all these things can bring even the most powerful deck down, and metas being what they are, counter and counter-counter decks can start to pop up
As with its fellow swords, Sword of Fire and Ice can be made even deadlier if you can get it on something with double strike
That Set card cannot be activated this turn
It target-negates opposing cards based on how many Lightsworns are on the board
Even VMAX Pokemon cannot tank such a hit, especially if it's boosted slightly by an outside source
Selvala just wants you to play large Creatures, protect her, and enjoy having absurd amounts of mana, all while drawing cards to eventually sink it all into