Ohran Frostfang [Commander 2019] Snake Elf Scout Set: Core Set 2021 Type:

Set: Core Set 2021 Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

A deck can have any number of cards named Relentless Rats

Set: Phyrexia: All Will Be One Type: Artifact Rarity: Rare Cost: {2} {3}

but it became clear we wouldn't find it there

Set: Mystery Booster Type: Creature — Plant Elemental Beast Rarity: Common Cost: {4}{G}{G} {5}{G}{G}: Put a +1/+1 counter on Carnivorous Moss-Beast

Ohran Frostfang [Commander 2019] Snake Elf Scout Set: Core Set 2021 Type:Set: Commander 2019 Type: Snow Creature Snake Rarity: Rare Cost: {3}{G}{G} Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card. Silent as a snowdrift. Inexorable as an avalanche.