Rakdos Charm is the perfect antidote to this kind of problem (although not the specifically the Moat one...), it can deal with a selection of troublesome things while remaining useful outside of this scope and perfectly maindeckable without fear of having dead cards or losing much consistency
Consider a hasted Lord of Extinction
Close this window Close (or Esc) Advanced Card Search Combos Artists Rules Sets Trivia Random Card close / 411 1 2 3 Bundle Ghalta and Mavren Legendary Creature Dinosaur Vampire Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Whenever you attack, choose one Create a tapped and attacking X/X green Dinosaur creature token with trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) , where X is the greatest power among other attacking creatures
3 Fiendish Panda Grow With Life Fiendish Panda is an interesting commander as it can be played either as a focus on lifegain with its first effect or reanimate with its second effect
However, they only function if you can draw enough cards to reliably play additional lands
Yes, it can be used as a finisher