mtg cards like spore frog Magic The Gathering - Bloomburrow Commander - Sacrifice Spore Frog Grolnok, the Omnivore (Spore Frog):

A few hidden gems that help keep this deck competitive but also under $50 are [card]Palace Siege[/card] now you can sac your non-token creatures too, [card]End Hostilities[/card] arguably better than [card]Wrath of God[/card] in decks not running much equipment and [card]Titanias Boon[/card] not a super powerful effect, but one you will often wish you had in this deck

Its also a merfolk which is a relevant creature type

Each pack includes 14 Magic cards and one token, with one to four cards of Rare or higher rarity, three to five Uncommons, six to nine Commons, and one Land card

(It cant be blocked except by artifact creatures and/or black creatures.) Dont fear the darkness