(As it sucks souls, this may represent your increased power as the game goes on.) Here are some quick brainstorm ways (that may not work if play-tested, or at that three mana cost) that would have been Blackbladed
You can remove any number of +1/+1 counters across all artifacts you control to add that much mana to your mana pool, and then Jetfire, Ingenious Scientist transforms
Story-wise, planeswalkers can die, but between rebirths, origin stories, igniting and losing their spark, there is plenty of space for your favorite character if R&D deems it so
You must use a number of materials equal to the Link monster's Link Rating - the number on the bottom right corner
In 5th place we have: Eviscerators Insight Yet ANOTHER sac something and draw 2 effect