Well, despite the game designers' best intentions, Tibalt's Trickery has nevertheless been gamed
However, cgc did say, and I dont know if this is accurate information, that only 10% of submitters actually wanted and paid for subgrades on their cards
This means that the second ability refers only to the card exiled by the first, even if it becomes a copy of something that later exiles other cards
Traditionally these break down into two cycles: five marquee cards that intersect with each years major mechanical theme, and five alternate commanders who push the decks into slightly different thematic space
Both existed fairly well as they dont explicitly overlap, but Gitrog was just more popular and slowly Mazirek simply became a fixture of its deck
Last but not least, you can end combat that would kill you or be otherwise unfavorable