By todays standards, this may be a situational and overcosted ability, but its fun to brew around
If Mutated Cultist is countered or otherwise leaves the stack in response to that triggered ability, the triggered ability will still resolve as normal
Of course, if you played a Grim Monolith on turn two, you could realistically play Academy Rector on turn three, then immediately sacrifice it to Phyrexian Tower, giving you a Yawgmoths Bargain and three mana to work with
Ruby/Sapphire Deck List In total, this deck has: 46 characters, four actions, five items, and five locations
The Japanese version commands a 70%+ premium over its English Lost Origin counterpart (~$400573)
It had a similar issue to Up the Beanstalk where cantripping on ETB made it safe to play in most scenarios, and this one even spotted you extra power and toughness the turn you played it