It's claimed by multiple people close to the situation that Destined Rivals Elite Trainer Boxes were listed on Zavvi's website at above RRP, but this code, only available in the 'Supporters' section of the aforementioned Discord, would allow customers to buy them at RRP
This was a big feature in quite a wide range of decks often for very different reasons
(2/18/2022) Although the Ninja is attacking, it was never declared as an attacking creature (for purposes of abilities that trigger whenever a creature attacks, for example)
And just in case, since protection is a tricky keyword: The bonuses that Sword of Fire and Ice provide do have synergy protection from a color not only protects against removal, but also lets you bypass blockers from that color
Time To Win You've successfully goaded your opponents into taking each other out, and now it's just you and one other player
But they can spend a Blue mana to untap them