Its an ability doubler for abilities that trigger from casting spells, which includes prowess, magecraft, and anything else that says when you cast an instant/sorcery. I like that this plays an aggressive game plan but still feels very much Izzet, leaning into prowess and spellcasting to get the game over with
In this case, your Elves supply +1/+1 counters while your Wolves provide card advantage
You don't choose a target for Anthropede's last ability at the time it triggers
Each slot has a 48.1% chance for a retro frame uncommon
Karn, the Great Creator might be one of the best ways to get cards back from Exile
Foils, Alternate Arts, and Special Versions Foils, alternate arts, and special frames are rarer and often pricier due to scarcity and player desire to bling decks