Kuzan is a 5-cost 5000 power character that cannot be removed by opponents effects , and you can trash him (sacrifice) to draw 1 and then play any Blackbeard Pirates character (cost 5 or less) from your trash
Serra Angel and The Hive most likely, but hey, casting a Jace, the Mind Sculptor off these in todays era would make this girl swoon
Temporal Forces iterates on the Ancient and Future mechanics that were introduced back in Paradox Rift, as well as bringing the ACE SPEC mechanic back to the modern environment
In other words, Arena does not implement the rule 305.6, but simulates it through templating and modification of effects that change land types
X can use any attack, Poke Body, or Poke Power from its previous Level
Stromkirk Occultist, and Call to the Netherworld are examples of really good options with madness that result in card advantage