Miller was reportedly responsible for creating Ikorrs theme, gameplay mechanics and a demonstration deck, with the Work for Hire Agreement Miller had allegedly signed stating that all of the products, works, concepts, trade secrets and intellectual property developed by Upper Deck and Miller to create Rush of Ikorr belonged solely to Upper Deck
Nothing wrong with some classic card-advantage-centric gameplay, especially in a format where other decks will actually run out of gas if you hold out long enough
Five ink is relatively cheap cost for a card that can instantly deal with tough, high-willpower attackers or characters ready to churn lore and progress their player toward victory, so having Dragon Fire at the ready when you need it is always recommended
The remaining 22.7% of the metagame is where things get interesting
(A regular Art card can be found in 30% of packs and a foil-stamped Signature Art card can be found in 5% of packs.) Each pack includes a combination of 1-4 cards of rarity Rare or higher and 3-5 Uncommon, 6-9 Common, and 1 Land cards (Full-Art Land in 25% of packs)
Bonus sheets from previous sets sometimes have a unifying mechanical theme (in Outlaws of Thunder Junction , for example, all the cards from the Breaking News bonus sheet could commit a crime), but there's no specific mechanical thread connecting these Through the Ages cards