magic the gathering play booster box MTG: Secrets of Strixhaven (SOS) and perfect for cracking open high Wizards of the Coast Magic

During your opponent's turn, if you activate a Spell/Trap Card or effect while this card is in your GY (except during the Damage Step): You can Tribute 1 Spellcaster monster

This method has the advantage of having lower server overhead and saving developers money, but it leaves a game wide open to exploits

Then as the game goes on and you are more able to affect the morbid trigger you can use Slip to take out whatever you need

If you have tons of mana, you can even use the ability like a pseudo-Overrun

Assassins aren't a very commonly played creature type, so outside of someone else playing an Assassin-based deck, Raise the Palisade will get rid of most creatures

I like the flavour text a lot, thank you.