Atarka Red finally has a card that can incentivize them to build their deck without the Temur Battle Rage / Become Immense combo and thats very scary
In short, the flavor text is just a clue to help you figure out the card
For example, Annihilate will be card advantage if it resolves normally targeting a creature an opponent controlsyou lose one card from your hand but you also draw a card, for a net gain of zero cards, and your opponent loses one card, so you're up one card relative to them
If there are two Primal Vigors on the battlefield, the number of tokens or +1/+1 counters is four times the original number
The real power of cards like Grief comes when you combine it with blink effects like Ephemerate, which allow you to get two ETB triggers and keep the creature in play
Flashier variants are far more costly: showcase foils have risen from $10 to $30, while the Godzilla skinned version is up to $40