Damage Amplifiers Damage multipliers that double or triple the damage dealt (like City on Fire or Solphim, Mayhem Dominus do), and damage increasers that add extra damage (such as Torbran, Thane of Red Fell, Mechanized Warfare, and Fated Firepower) can also be recognized as replacement effects thanks to their instead wording
And my opponent used a manland effectively
If we can take out a problematic commander, we can stabilize the game
11 Thirst for Identity At a cost of three mana (two colorless and one blue), Thirst for Identity is a rather cheap instant that lets you draw three cards, but you have to discard two cards or a single creature card
Although, Ive stumbled into a discussion about what exactly makes this menacing, but there you go