Fierce Guardianship [C20 - 35] xy-promos its Retreat Cost is 0

its Retreat Cost is 0

Description: Overwhelm When an opponent plays a card: You may deal damage equal to that card’s cost to their base or a ground unit they control

Rules Text Contains: T: Add C

Attack 2: [2P] Psyshot (30)

Attack 1: [1WW] Spook (50) The Defending Pokémon can't retreat during your opponent's next turn

Fierce Guardianship [C20 - 35] xy-promos its Retreat Cost is 0Rarity: R #: 35 Creature Type or Sub Type: Instant Rules Text Contains: If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. Flavor: "Hunt somewhere else. This is your only warning." Gavi, nest warden