Any choices made as you put the ability onto the stack, such as modes and targets, are made separately for each instance of the ability
You get a decent creature, a draw effect, and even the opportunity to transform excess land into removal
The card reads: Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures. If your creature dies, it just comes back to life as a mushroom dinosaur
These strategies are less effective than simply using Rograkh as a free body for sacrifice effects, but theyre certainly more flavorful
Thats 40 Lightning Bolts, for those of you counting
Whether youre a seasoned MTG player or a newcomer to the game, creating custom cards is a fun and rewarding way to engage with the game on a deeper level