There are a lot of strong Skeleton cards in the game, some of which were so strong it led to their ban and restriction of certain formats
(If a permanent with a stun counter would become untapped, remove one from it instead.) Kill This spell deals 3 damage to target attacking creature

Castle Doom and Iron Man Armor in Jeskai Artifacts 2 Castle Doom 2 Cryogen Relic 2 Day of Judgment 3 Dusk Rose Reliquary 1 Elegant Parlor 1 Floodfarm Verge 2 Iron Man Armor 1 Island 2 Legion Extruder 1 Meticulous Archive 1 Mountain 3 Multiversal Passage 2 Perilous Snare 3 Pinnacle Starcage 4 Repurposing Bay 2 Riverpyre Verge 1 Sacred Foundry 4 Simulacrum Synthesizer 1 Soul-Guide Lantern 4 Starting Town 3 Steam Vents 1 Sunbillow Verge 2 The Enigma Jewel 1 The Fire Crystal 1 The Mind Stone 2 Thundering Falls 4 United Battlefront 3 Weapons Manufacturing 1 White Auracite 1 Astelli Reclaimer 2 Day of Judgment 2 Disdainful Stroke 2 High Noon 1 Negate 2 Rest in Peace 3 Seam Rip 2 Torpor Orb Castle Doom Iron Man Armor Jeskai Artifacts was already one of Standard's most synergy-driven decks, and Magic: The Gathering | Marvel Super Heroes handed it exactly the kind of card it was looking for

That said, both are excellent support cards within their archetype and worth considering, especially since typal decks tend to be aggressive, thus putting the extra turn to good use
Its Mega Evolution in Pokmon X and Y and its Gigantamax form in Pokmon Sword and Shield added new dimensions to its combat capabilities, further solidifying its status as a fan-favorite