Calix, Guided by Fate (MAT-026) - March of the Machine: The Aftermath: (enchantment) SWSH029 you may cast an instant

you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost

or enchantments

ArtistXu Xiaoming

Card TypeLegendary Planeswalker — Ral

Calix, Guided by Fate (MAT-026) - March of the Machine: The Aftermath: (enchantment) SWSH029 you may cast an instantCasting Cost Card TypeLegendary Enchantment Creature Human Druid RarityMythic ArtistPINDURSKI Power Toughness2 2 Legalities LEGAL Standard LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL