If you have any doubts, try to understand on which turn a card is good, how much mana or how many resources you need to optimize it, and how many similar cards you already run
There have been very few periods throughout the game's life when elves haven't made for powerful decks
At four mana I look more at the stats, threat level, and risk
So then you have to think about whether you want to commit to the board to force them out of developing their hand, or whether you think the card you want to deploy is too important for you to jam right into counter magic
Studios acquired the comic license of Magic: The Gathering and announced for a new Magic series for April 2021
Of course, it wasnt all big spells, big upkeep, and big creatures with blue