Thundertrap Trainer [Bloomburrow Prerelease Promos] Ursula's Return When you unclock this door

When you unclock this door

Set: Duskmourn: House of Horror Commander Type: Creature — Horror Rarity: Rare Cost: {B} Whenever an opponent draws a card

If the sacrificed creature was a Hamster

Gitaxian sective

This worked perfectly in the lab

Thundertrap Trainer [Bloomburrow Prerelease Promos] Ursula's Return When you unclock this doorSet: Bloomburrow Prerelease Promos Type: Creature Otter Wizard Rarity: Rare Cost: {1}{U} Offspring 4 (You may pay an additional 4 as you cast this spell. If you do, when this creature enters, create a 1 1 token copy of it.) When this creature enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.