Cycling strong creatures like Titanoth Rex or Waker of Waves early in the game makes sure that your commander is always big when it enters, and synergies with ETB effects or +1/+1 counters work great here
Coming in strong is the defensive all-star Druddigon, who comes pre-loaded with a huge ability to keep your opponent at bay
E2-E5, L2 & L3, and almost all BW and XY era sets are hard to find in unlimited edition as well, although easier than the earlier three sets mentioned
Suddenly, that stack of face-up exiled cards from when your opponents didn't block your wiggly Sludge Crawler matters a great deal
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Vincent's Limit Break: Vincent's Limit Break will overwrite any previous effects that set the creature's power and toughness to specific numbers
His ability lets you turn dead cards into combat strength, and this also makes him really hard to block/remove