Flying

Whenever a source you control deals damage to you, put that many +1/+1 counters on Auntie Blyte, Bad Influence.

, , Remove X +1/+1 counters from Auntie Blyte: It deals X damage to any target.

You draw two cards and each opponent discards two cards. Each player loses 2 life.

Bad River enters tapped.

, Sacrifice Bad River: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Return up to one target creature card from your graveyard to the battlefield. Return up to one target permanent card from your graveyard to your hand.

Target creature you control gets +1/+1 and gains hexproof until end of turn. The Ring tempts you. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Trample

Target creature gets -3/-3 until end of turn. Target player mills three cards. (They put the top three cards of their library into their graveyard.)

Create two 1/1 green Saproling creature tokens. (Then exile this card. You may cast the creature later from exile.)

Choose target creature you control. Destroy all creatures with power less than that creature's power.

Whenever Rysorian Badger attacks and isn't blocked, you may exile up to two target creature cards from defending player's graveyard. If you do, you gain 1 life for each card exiled this way and Rysorian Badger assigns no combat damage this turn.

Sacrifice an artifact: Target artifact gains indestructible until end of turn.

Whenever you discard a creature card, put a +1/+1 counter on Surly Badgersaur.

Whenever you discard a land card, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever you discard a noncreature, nonland card, Surly Badgersaur fights up to one target creature you don't control.

At the beginning of your end step, if you had a land enter the battlefield under your control this turn, venture into the dungeon. (Enter the first room or advance to the next room.)