Sunken Hollow [Battle for Zendikar] Arena League 2004 That player discards that card

That player discards that card

where X is that spell's converted mana cost

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {2}{W} Players can't cast spells with the same name as a nontoken permanent

Set: Portal Type: Creature — Snake Rarity: Uncommon Cost: {3}{G} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

you may pay {G}{G}

Sunken Hollow [Battle for Zendikar] Arena League 2004 That player discards that cardSet: Battle for Zendikar Type: Land Island Swamp Rarity: Rare ({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands. On the continent of Tazeem, rushing waters plunge through narrow canyons into mist cloaked lakes.