Chart shows the price of Blastoise #16 at the end of each month going back as long as we have tracked the item.
That means if your opponent controls any islands, your whole team becomes unblockable
Of course, you can use some artifact untappers to keep doubling the counters it has
However, there are enough lower rarity Cats that also slot nicely into virtually any white deck (Felidar Savior is a solid choice for green/white +1/+1 counters or black/white lifegain, for example) to make Arahbo a worthy buildaround, making this Cat lord a crossover hit
Items from this era often turn up in inherited collections, old scrapbooks, and attics, and their owners are frequently unaware of their significance
Images below are Wizards of the Coast Latest decks EDH 5 / 1 EDH 3 / 0 EDH 2 / 1 EDH 0 / 0 EDH 0 / 0 PAU 4 / 0 EDH 16 / 0 EDH 4 / 0 EDH 5 / 2 EDH 8 / 1 EDH 118 / 80 PAU 7 / 2 TL 0 / 0 STD 3 / 1 EDH 3 / 0 EDH 51 / 9 EDH 1 / 0 EDH 2 / 0 EDH 9 / 4 CST 2 / 0 EDH 2 / 0 EDH 1 / 0 EDH 9 / 2 EDH 2 / 0 EDH 1 / 0 EDH 72 / 16 PDH 7 / 4 EDH 2 / 1 EDH 47 / 25 EDH 0 / 0 EDH 5 / 2 EDH 4 / 1 EDH 2 / 1 EDH 1 / 0 EDH 0 / 0 PMD 1 / 0 EDH 37 / 4 MDN 299 / 344 EDH 0 / 0 EDH 1 / 0 PAU 6 / 5 EDH 1 / 0 PNR 3 / 2 EDH 14 / 10 EDH 0 / 0 STD 12 / 0 MDN 13 / 30 CAS 39 / 11 EDH 12 / 10 EDH 14 / 8 EDH 43 / 19 MDN 28 / 19 EDH 5 / 0 EDH 9 / 3 EDH 2 / 0 EDH 5 / 1 EDH 4 / 2 EDH 59 / 13 EDH 5 / 0 EDH 120 / 58 EDH 27 / 10 EDH 42 / 14 EDH 5 / 1 EDH 1 / 0 EDH 5 / 0 EDH 1 / 0 EDH 17 / 43