At least if they remove the Trailblazer, it still checks for your other creatures greatest power, so provided it isnt your only creature, youll still draw
Case of the Uneaten Feast White lifegain always wants this kind of effect, and getting a turn to do some kind of Lurrus of the Dream-Den/Underworld Breach stuff to get back your Voice of the Blessed that met its fate far too soon is reasonably big game for those decks
Debt of Loyalty Three mana is a great rate for this effect, especially at instant speed although the need to trigger the regeneration to get the full effect does undercut that versatility
9 Animar, Soul of Elements An incredibly powerful commander in its own right, the only reason Animar, Soul of Elements, isn't higher on this list is due to the numerous colors in Animar's casting cost meaning that not all hypothetical hydra decks will be able to run Animar
Its a scary world out there, with players trying out the best aggressive strategies in an unknown format