Thassa's Oracle (THB-073) - Theros Beyond Death Condition:Damaged Colorless Hidden Power (20+) Does

Colorless Hidden Power (20+) Does 20 damage plus 10 more damage for each Basic Pokémon and each Evolution card in your discard pile

Grass Solarbeam (30)

put a +1/+1 counter on a creature you control

that player gets two poison counters

Thassa's Oracle (THB-073) - Theros Beyond Death Condition:Damaged Colorless Hidden Power (20+) DoesCasting Cost Card TypeCreature Merfolk Wizard RarityRare ArtistJesper Ejsing Power Toughness1 3 Legalities NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander NOT LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT