At time of writing, the card seems to be getting legitimate bids in the $350,000 range, but that's expected to increase as the rarity of the card makes it a must-own for the few people with the money and inclination to acquire it
Now if Tamatoa Happy as a Clam remains in play and you can Quest with it, then you can cheat out an item card on the board without having to use any Ink
$0.35 Boros Guildmage Ravnica $1.49 Boros Signet Tarkir: Dragonstorm Commander Decks $0.35 Justice Strike Guilds of Ravnica $0.99 Skyknight Vanguard Core Set 2020 $1.29 Legion Leadership Modern Horizons 3 $0.35 Boros Swiftblade Modern Masters 2015 $0.35 Boros Keyrune Gatecrash $0.35 Boros Recruit Ravnica $1.79 General Ferrous Rokiric Modern Horizons 2 $0.49 Tajic, Blade of the Legion Dragon's Maze $2.99 Aurelia's Fury Gatecrash $0.35 Boros Locket Guilds of Ravnica 0 results found
When each angel knight deals combat damage to a player, you'll get some combination of Treasure, lifegain, and card draw depending on your resources compared to your opponents
For future reference, here's the scryfall query for that, as I haven't played with any of those yet
