If Demonic Taskmaster leaves the battlefield after its ability triggers but before it resolves, you'll still have to sacrifice a creature
Surprisingly though, with a little bit of digging, you could use Ancient Mew in a game of the Pokemon TCG
Incapsula incident ID: 327000780061551170-88556960035050381
When Ting-Lu ex is in the Active Spot, its Cursed Land Ability disables the Abilities of all of your opponent's damaged Pokmon, with the exception of Pokmon ex
The flavour text basically sets up a poem in the order that's shown here -- Double Dip, Double Play, Double Deal, Double Take and Double Cross -- which is kind of neat
Solemn Simulacrum | Illustration by Dan Scott A strong Commander deck can look very different depending on your Bracket and local meta