M:tG card similarity search
2BB · World Enchantment
At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
| Name | Mana | Type | Text |
|---|---|---|---|
| Scarred Puma | R | Creature — Cat | Scarred Puma can't attack unless a black or green creature also attacks. 2/1 |
| Palladia-Mors | 2RRGGWW | Legendary Creature — Elder Dragon | Flying, trample At the beginning of your upkeep, sacrifice Palladia-Mors unless you pay {R}{G}{W}. 7/7 |
| Steelclad Serpent | 5U | Artifact Creature — Serpent | Steelclad Serpent can't attack unless you control another artifact. 4/5 |
| Pendrell Mists | 3U | Enchantment | All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}." |
| Rhystic Deluge | 2U | Enchantment | {U}: Tap target creature unless its controller pays {1}. |
| Leviathan | 5UUUU | Creature — Leviathan | Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.) 10/10 |
| Monstrous Hound | 3R | Creature — Dog | Monstrous Hound can't attack unless you control more lands than defending player. Monstrous Hound can't block unless you control more lands than attacking player. 4/4 |
| Sphere of Safety | 4W | Enchantment | Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control. |
| Extravagant Spirit | 3U | Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Extravagant Spirit unless you pay {1} for each card in your hand. 4/4 |
| Arcades Sabboth | 2GGWWUU | Legendary Creature — Elder Dragon | Flying At the beginning of your upkeep, sacrifice Arcades Sabboth unless you pay {G}{W}{U}. Each untapped creature you control gets +0/+2 as long as it's not attacking. {W}: Arcades Sabboth gets +0/+1 until end of turn. 7/7 |