M:tG card similarity search
3RR · Creature — Insect
At the beginning of your upkeep, sacrifice Lithophage unless you sacrifice a Mountain. 7/7
| Name | Mana | Type | Text | 
|---|---|---|---|
| Impending Disaster | 1R | Enchantment | At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands. | 
| Innocent Traveler | 2BB | Creature — Human | At the beginning of your upkeep, any opponent may sacrifice a creature. If no one does, transform Innocent Traveler. 1/3 | 
| Second Chance | 2U | Enchantment | At the beginning of your upkeep, if you have 5 or less life, sacrifice Second Chance and take an extra turn after this one. | 
| Reclusive Wight | 3B | Creature — Zombie Minion | At the beginning of your upkeep, if you control another nonland permanent, sacrifice Reclusive Wight. 4/4 | 
| Vile Consumption | 1UB | Enchantment | All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life." | 
| Living Tsunami | 2UU | Creature — Elemental | Flying At the beginning of your upkeep, sacrifice Living Tsunami unless you return a land you control to its owner's hand. 4/4 | 
| Aura Flux | 2U | Enchantment | Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}." | 
| Defiler of Souls | 3BBR | Creature — Demon | Flying At the beginning of each player's upkeep, that player sacrifices a monocolored creature. 5/5 | 
| Call to the Grave | 4B | Enchantment | At the beginning of each player's upkeep, that player sacrifices a non-Zombie creature. At the beginning of the end step, if no creatures are on the battlefield, sacrifice Call to the Grave. | 
| Ruthless Winnower | 3BB | Creature — Elf Rogue | At the beginning of each player's upkeep, that player sacrifices a non-Elf creature. 4/4 |