To recap, an anthem needs to be a permanent, it needs to affect any creature that could end up on your side of the board, and it needs to increase power and/or toughness, without decreasing either
Its a good fit in lifegain/life drain decks, zombie typal decks, or even Bloomburrow -inspired bat decks that care about gaining and losing life
These are the only way to get foil copies of those basics, especially that beautiful Phyrexian Swamp
This isnt the first time that Magic: The Gathering took players back in time to visit the past, but does bring with it tons of powerful planeswalkers, creatures, and artifacts to the present
This caused the price to shoot up to between $700 to $2,000 depending on condition