If you somehow control multiple armies and cast an amass spell, you dont announce which Army gets the counters until the amass spell resolves
Few sets have typal appeal like this one
Ultimately, though, I dont think people are going to want to target this with any of their spellsthe upside isnt big enough compared to other things out thereand it will stay at $1
The panel mentioned that there are additional ways that this can be obtained, but the exact details haven't been revealed yet
But theyre also good for: Deciding who gets first turn in the match Simulating coin flips for The Gold Saucer (call odds/evens instead of heads/tails) Randomly choosing a card for Sin, Spiras Punishment Tracking the mana in your mana pool (if a card like Esper Terra makes a lot all at once) Representing the numbers (and/or stats) of tokens you create Keeping count of random statistics that your cards care about, like how close you are to transforming Emet-Selch or how many times Sephiroth has triggered this turn Helping you remember important upkeep triggers like Dark Confidant or Seymour Flux (place a die on top of your deck every turn so you cant draw a card without stopping to remember why its there) and plenty more
Amber Amethyst Emerald Ruby Sapphire Steel This cost is in the hexagon in the top right-hand corner of the card