At the beginning of each end step, if there are three or more quest counters on this enchantment, you may put a Kraken, Leviathan, Octopus, or Serpent creature card from your hand onto the battlefield
Every Mega Rayquaza Card and What Its Worth Eight printings, ranked by current market value: Two patterns jump out
6 Forth Eorlingas
It takes me a very long time
With it its even better, as it can become a one mana deal 3
Round out the interaction suite with cheap, efficient answers from our other guides: see the best removal spells in MTG for single-target answers, the best board wipes for catch-up sweepers, and if you splash blue, the best counterspells to protect a key dragon