Windbrisk Heights [Phyrexia: All Will Be One Commander] DYN194 and its activated abilities can't

and its activated abilities can't be activated unless they're mana abilities

Hunger Dominus

Set: Commander Masters Type: Enchantment Rarity: Rare Cost: {2}{B} Whenever an opponent attacks you and/or one or more planeswalkers you control

Emergent Intelligence deals combat damage to a player

but I give my blood for a greater lord

Windbrisk Heights [Phyrexia: All Will Be One Commander] DYN194 and its activated abilities can'tSet: Phyrexia: All Will Be One Commander Type: Land Rarity: Rare Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library.) T: Add W. W, T: You may play the exiled card without paying its mana cost if you attacked with three or more creatures this turn.