M:tG card similarity search
7BBB · Creature — Demon
When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control. 8/8
| Name | Mana | Type | Text |
|---|---|---|---|
| Arena of the Ancients | 3 | Artifact | Legendary creatures don't untap during their controllers' untap steps. When Arena of the Ancients enters the battlefield, tap all legendary creatures. |
| Somnophore | 2UU | Creature — Illusion | Flying Whenever Somnophore deals damage to a player, tap target creature that player controls. That creature doesn't untap during its controller's untap step for as long as Somnophore remains on the battlefield. 2/2 |
| Masako the Humorless | 2W | Legendary Creature — Human Advisor | Flash Tapped creatures you control can block as though they were untapped. 2/1 |
| Grim Physician | B | Creature — Zombie | When Grim Physician dies, target creature an opponent controls gets -1/-1 until end of turn. 1/1 |
| Waker of Waves | 5UU | Creature — Whale | Creatures your opponents control get -1/-0. {1}{U}, Discard Waker of Waves: Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard. 7/7 |
| Errand-Rider of Gondor | 2W | Creature — Human Soldier | When Errand-Rider of Gondor enters the battlefield, draw a card. Then if you don't control a legendary creature, put a card from your hand on the bottom of your library. 3/2 |
| Valor in Akros | 3W | Enchantment | Whenever a creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn. |
| Devastate | 3RR | Sorcery | Destroy target land. Devastate deals 1 damage to each creature and each player. |
| Invading Manticore | 5R | Creature — Zombie Manticore | When Invading Manticore enters the battlefield, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) 4/5 |
| Nylea's Huntmaster | 3G | Creature — Centaur Shaman | When Nylea's Huntmaster enters the battlefield, target creature you control gets +X/+0 until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.) 4/3 |