Truly Relentless Rats

Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)

This creature gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless Rats.

+1: Search your library for a card named Nissa's Chosen, put it onto the battlefield, then shuffle. +1: You gain 2 life for each Elf you control. −7: Search your library for any number of Elf creature cards, put them onto the battlefield, then shuffle.