Stubborn Denial has been a popular card out of the Steel Leaf Stompy deck as well as Izzet Ensoul Artifact decks as a way to defend against interactive decks, and it feels really good to see the sad look on your opponent's eyes as they helplessly bin their creatures while staring at the Stubborn Denial in their hand
A great utility piece, this green instant is pretty ubiquitous in competitive green decks and even sees play when you want to get rid of a tricky bit of hate from your opponents permanents that would otherwise lock you down

Abominable Treefolk Adarkar Valkyrie Adarkar Windform Alpine Guide Ascendant Spirit Avalanche Caller Berg Strider Blizzard Specter Blizzard Strix Boreal Centaur Boreal Druid Boreal Griffin Boreal Outrider Centaur Omenreader Chillerpillar Chilling Shade Conifer Wurm Diamond Faerie Draugr Necromancer Frost Augur Frost Raptor Frostpeak Yeti Frostwalla Frostweb Spider Goblin Rimerunner Grim Draugr Gutless Ghoul Hailstorm Valkyrie Ice-Fang Coatl Iceberg Cancrix Icebreaker Kraken Icehide Golem Icehide Troll Isu the Abominable Jorn, God of Winter Karplusan Wolverine Moritte of the Frost Narfi, Betrayer King Ohran Frostfang Ohran Viper Ohran Yeti Phyrexian Ironfoot Phyrexian Snowcrusher Phyrexian Soulgorger Pilfering Hawk Priest of the Haunted Edge Rime Tender Rimebound Dead Rimefeather Owl Rimehorn Aurochs Rimescale Dragon Ronom Serpent Saddled Rimestag Sculptor of Winter Spirit of the Aldergard Squall Drifter Stalking Yeti Svella, Ice Shaper Thermopod Wall of Shards Zombie Musher

Twin of Iroas & worshipped by the minotaurs of Theros
The key point here is that context matters
Casting Cost: Card Text: Wormfang Crab is unblockable