You need to tap Marshland Bloodcaster and spend two mana to get the ability to work, so you'll have to wait a turn and ensure you have enough life to pay when you cast that next spell
When you look at Onakkes low mana value, coupled with the potent six-mana recursion ability, I find this card to be a welcome breath of fresh air into the Superfriends archetype
3 Snoww, Unlight of Dark World 3 Broww, Huntsman of Dark World 1 Grinder Golem 1 Destrudo the Lost Dragons Frisson 1 Shaddoll Beast 1 Blackwing Zephyros the Elite 1 Fairy Tail Snow 1 Gokipole 1 Plaguespreader Zombie 3 Chicken Game 1 Pot of Avarice 1 Foolish Burial 1 Dark Spirits Mastery 1 Card Destruction 1 Terraforming 2 Allure of Darkness 1 Dark World Dealings 1 The Beginning of the End 1 Danger
This is beyond useful when the opponent sends a powerful creature forward
This isn't always achievable of course, but it's a good thing to aim for
Ertai will give your stuff hexproof so it can't be messed with
