That's what your white indestructible tricks like Rootborn Defenses already cost, and you are adding an untap, so you can untap your team to block out of nowhere
There is no need to say more, and you will see just how powerful this is by looking at the cards it can remove: Kroxa, Titan of Death's Hunger Valki, God of Lies The Ozolith Scourge of the Skyclaves Shadowspear Thassa's Oracle Steelbane Hydra Fiend Artisan Tome of Legends Underworld Breach Robber of the Rich and many, many others
If a player is able to swing in with even one or two creatures of these types, Spawning Kraken can create an incredible offensive force that can cumulatively grow larger and larger as a player gains additional Krakens
Their initial deck was easily disrupted by permanents that netted mid-game card advantage, so we found a way to merge the best principles of both decks into something that was nearly unbeatable
Yellow borderless first-place foil cards are #427-516
Lets look at five new cards to ease the lack of reprint value