Storm, Force of Nature is a novel commander that makes you cast some spells before combat, attack with Storm, and finish with many copies of a given instant or sorcery
And no, because of the card text, you cant discard the DCE for the entire cost
I poisoned multiple opponents, including one who attacked me with multiple Wurmcoil Engines and had a life total that was over 30 at the end of the game
This is very much a net positive, as tokens with evasion are able to end games through combat much more easily than those without, and best of all, Thalisse doesnt care what type of tokens you created earlier in the turn
If tails, you may put one of those Pokmon from your hand on your bench
If everyone you play against is comboing off or using non-creature ramp to play massive threats, then one damage isn't enough to matter