Ulvenwald Hydra [Shadows over Innistrad Prerelease Promos] Human Druid Ally Set: Hour of Devastation Prerelease

Set: Hour of Devastation Prerelease Promos Type: Sorcery Rarity: Rare Cost: {3}{W}{W}{W} This spell costs {3} less to cast if there are ten or more nonland permanents on the battlefield

you may transform Dowsing Dagger

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {3} {1}: The next time an unblocked creature of your choice would deal combat damage to you this turn

Set: Commander Anthology Volume II Type: Creature — Homunculus Rarity: Rare Cost: {2}{U} Whenever a creature attacks you or a planeswalker you control

where X is the number of Swamps you control

Ulvenwald Hydra [Shadows over Innistrad Prerelease Promos] Human Druid Ally Set: Hour of Devastation PrereleaseSet: Shadows over Innistrad Prerelease Promos Type: Creature Hydra Rarity: Mythic Cost: {4}{G}{G} Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle.