Umezawa's JitteUmezawa's Jitte is arguably one of the most broken Limited, Standard, and Modern cards of all time
R/G Tron In (plus a flex slot): Out: Theres a case to be made for Spellskite or Grafdiggers Cage (if your opponent has a lot of Ancient Grudges, which they likely do), possibly over Inquisition of Kozilek
Sideboarding Rather than giving card-for-card in/out ratios, I tend to be in the school of thought that understanding why cards are brought in or taken out in a given matchup is more important for growing as a Magic player
Return those creatures to their owners' hands
Command Performances modes let you put any sticker on a nonland permanent you own
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Selesnya Keyrune: Until the ability that turns the Keyrune into a creature resolves, the Keyrune is colorless