Ground Seal [Odyssey] Merfolk Noble you may play that card

you may play that card without paying its mana cost

Set: Legions Type: Creature — Elf Rarity: Common Cost: {G} Morph {2}{G} (You may cast this card face down as a 2/2 creature for {3}

then sacrifices a third of the creatures they control

Set: Kaladesh Type: Creature — Vedalken Rogue Rarity: Common Cost: {1}{U} When Aether Theorist enters the battlefield

of the mortals who destroyed their kind

Ground Seal [Odyssey] Merfolk Noble you may play that cardSet: Odyssey Type: Enchantment Rarity: Rare Cost: {1}{G} When Ground Seal enters the battlefield, draw a card. Cards in graveyards can't be the targets of spells or abilities. "Let all we have buried be buried forever." Seton, centaur druid