Deck
4 Breeding Pool
1 Castle Vantress
4 Drowned Catacomb
2 Eliminate
1 Essence Scatter
3 Extinction Event
4 Fabled Passage
1 Fetid Pools
3 Forest
4 Growth Spiral
2 Heartless Act
3 Hydroid Krasis
2 Island
1 Maelstrom Pulse
2020 MYTHIC INVITATIONAL
1 Neutralize
4 Nissa, Who Shakes the World
4 Overgrown Tomb
2 Pact of Negation
1 Swamp
1 Tamiyo, Collector of Tales
4 Thoughtseize
4 Uro, Titan of Nature's Wrath
4 Zagoth Triome

Sideboard
1 Elder Gargaroth
1 Essence Scatter
1 Heartless Act
3 Leyline of the Void
1 Maelstrom Pulse
1 Mystical Dispute
1 Narset, Parter of Veils
2 Negate
2 Shark Typhoon
2 Witch's Vengeance