Robin, Mysterious Tactician

Partner

Awakening {1}{u}: Whenever a human or dragon creature enters the battlefield draws a card.
Whenever a human or dragon creature is destroyed add a grand plan counter to Robin, Mysterious Tactician

Grand Plan: Remove 3 grand plan counters, if you have a Chrom on battlefield sacrifice it. All your creatures gain unblockable till end of turn. Search your library for a Chrom, Yillisean Exalt, Chrom Corrupted Exalt, or Lucina, Fate Defiant