I recently began playing MTG and was interested to see how the Guildmaster’s Guide to Ravnica would translate to tabletop roleplaying. In particular, I felt like it was an excellent opportunity to translate some of the mechanics from the card game to another medium. Lastly, I know that fungi occupy a special place in Golgari (I’m currently building a fungal tribal commander deck), but I was really hoping for a bug druid in Ravnica. So, here is my attempt to incorporate some of those ideas.

EDIT 12/25/18: I added that you can’t cast spells while in Walking Swarm form.

EDIT 12/31/18: Replaced ‘Life from Death’ with ‘Corpseflies.’

DRUID: CIRCLE OF SWARMS

NIMBUS OF INSECTS

Starting at 2nd level, you are surrounded by a cloud of biting insects that are harmless until you unleash them on a creature nearby. When a creature you can see moves into a space within 10 feet of you or starts its turn there, you can use your reaction to deal 1d4 piercing damage to that creature unless it succeeds on a Dexterity saving throw against your spell save DC. The piercing damage increases to 1d6 at 6th level, 1d8 at 10th level, and 1d10 at 14th level.

You can hide these insects as a free action on your turn and this feature can’t be used when underwater.

WALKING SWARM

At 2nd level, you gain the ability to become one with the swarm. As an action, you can expend a use of your Wild Shape feature to assume mass of insects roughly humanoid in shape rather than transforming into a beast form. While this feature is active, you gain the following benefits:

• You have resistance to bludgeoning, piercing, and slashing damage.
• You are immune to the grappled, paralyzed, petrified, prone, restrained, or stunned condition.
• You can move through any opening large enough for a Tiny insect.
• You can’t attack or cast spells, but you can use the Nimbus of Insects feature as an action and a reaction.
• You gain 4 temporary hit points for each level you have in this class. You can’t regain hit points and can’t gain any additional temporary hit points.

You also gain an additional ability, depending on the type of insect swarm you assume:

• Swarm of Centipedes: Your Nimbus of Insects feature deals poison damage, rather than piercing damage.
• Swarm of Flies: You gain a flying speed equal to your walking speed. You must begin and end your turn on a flat surface or begin to fall or make checks to maintain your balance. Also, when you deal your Nimbus of Insects damage, roll the damage die a second time and add it to the total.
• Swarm of Spiders: You gain a climb speed equal to your walking speed. Those that fail their Dexterity saving throw against your Nimbus of Insects feature are restrained by webbing until the end of your next turn.

These benefits last for 10 minutes, until you lose all these temporary hit points, or until you use your Wild Shape again.

A THOUSAND EYES

At 6th level, you can see and act through your insects. As an action, you lose the ability to use the Nimbus of Insects feature and create a Swarm of Insects, using the stat block in the Monster Manual, in an adjacent unoccupied space. The swarm acts normally, except it functions as if under the effects of a find familiar spell. If your Swarm of Insects is slain, you regain the ability to use Nimbus of Insects or A Thousand Eyes after a long rest.

CORPSEFLIES

At 10th level, you can cause insects to erupt from the deceased and your insects become voracious. As an action, you can summon a Swarm of Insects from a Small- or Medium-sized corpse within 60 feet. Summoning a swarm of insects this way allows you to use Nimbus of Insects, but the summoned swarm of insects last for 3 minutes before they disperse.

You can use this feature a number of times equal to your Wisdom modifier (minimum of once), and you regain all expended uses of it when you finish a long rest.

Lastly, whenever you summon a Swarm of Insects, the insect swarm has temporary hit points equal to your level and can make attacks normally.

REAPING SWARM

At 14th level, you can siphon the life out of the victims of your insects. When you slay a creature using Nimbus of Insects, you or another creature within 60 feet of you heal a number of hit points equal to your druid level. This benefit also applies while you are in Walking Swarm form.