When The Emperor has three or more +1/+1 counters, he evolves into his final form
They can be used in good faith, or for ill, and the verdict on how problematic a card can be is more complex than whats written on it: it requires context of how and when its played, with what cards it is played, and in what scenario
Pair this with cards that deal damage to your opponents when your Goblins enter, or leave the battlefield, and you can overwhelm anyone with a quantity that has a quality all of its own
Not only does this save time but you will also enjoy savings of up to 10% as compared to purchasing the cards individually
With high mana costs and the threat of removal, you might want to steer clear of these mixed options
Kozilek, Butcher of Truths cast trigger draws you plenty of cards, meaning even if this spell is countered, youre getting some value out of it