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Ultros, Obnoxious OctopusHow it works & interactions with other cards

By the ManaCount desk· 3 min read· Final Fantasy· June 13, 2025
Carte Magic Ultros, Obnoxious Octopus

Ultros, Obnoxious Octopus is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

Whenever you cast a noncreature spell, if at least four mana was spent to cast it, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Whenever you cast a noncreature spell, if at least eight mana was spent to cast it, put eight +1/+1 counters on Ultros.

How it works : Ultros, Obnoxious Octopus

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    Each of Ultros's abilities resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.

    No other card is named in this ruling.

02

Popular combos

Real combos played by the community, sorted by popularity.

Ultros, Obnoxious Octopus
+Agatha's Soul Cauldron
+Crystalline Crawler
+Wurmcalling
#1

Ultros, Obnoxious Octopus + Agatha's Soul Cauldron + Crystalline Crawler + Wurmcalling

Infinite creature ETBInfinite storm countInfinite creature tokensInfinite magecraft triggers
  1. 1Cast Wurmcalling with buyback by paying {6}{G}{G}.
  2. 2Ultros's first and second abilities trigger, tapping a creature an opponent controls and putting a stun counter on it, and then putting eight +1/+1 counters on Ultros.
  3. 3Resolve Wurmcalling, creating a 4/4 Wurm creature token and returning Wurmcalling to your hand.
  4. 4Activate Ultros using Crystalline Crawler's first ability eight times by removing eight +1/+1 counter from it, adding {6}{G}{G}.
  5. 5Repeat.
Ultros, Obnoxious Octopus
+Agatha's Soul Cauldron
+Crystalline Crawler
+Fanning the Flames
#2

Ultros, Obnoxious Octopus + Agatha's Soul Cauldron + Crystalline Crawler + Fanning the Flames

Infinite damageInfinite storm countInfinite magecraft triggers
  1. 1Cast Fanning the Flames with buyback by paying {6}{R}{R}.
  2. 2Ultros's first and second abilities trigger, tapping a creature an opponent controls and putting a stun counter on it, and then putting eight +1/+1 counters on Ultros.
  3. 3Resolve Fanning the Flames, dealing 3 damage to any target and returning it to your hand.
  4. 4Activate Ultros using Crystalline Crawler's first ability eight times by removing eight +1/+1 counter from it, adding {6}{R}{R}.
  5. 5Repeat.
03

Legal formats

standardfuturehistorictimelessgladiatorpioneermodernlegacyvintagecommanderoathbreakerstandardbrawlbrawlcompetitivebrawlalchemydueltlr
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Official source