M:tG card similarity search
4 · Artifact
At the beginning of your upkeep, you may have target creature you control get +X/+X until end of turn, where X is the number of creatures you control. If you do, sacrifice that creature at the beginning of the next end step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Soul Tithe | 1W | Enchantment — Aura | Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value. |
| Harsh Sustenance | 1WB | Instant | Harsh Sustenance deals X damage to any target and you gain X life, where X is the number of creatures you control. |
| Liliana's Scrounger | 2B | Creature — Human Wizard | At the beginning of each end step, if a creature died this turn, you may put a loyalty counter on a Liliana planeswalker you control. 3/2 |
| Parapet Watchers | 2U | Creature — Kithkin Soldier | {W/U}: Parapet Watchers gets +0/+1 until end of turn. 2/2 |
| Krovikan Horror | 3B | Creature — Horror Spirit | At the beginning of the end step, if Krovikan Horror is in your graveyard with a creature card directly above it, you may return Krovikan Horror to your hand. {1}, Sacrifice a creature: Krovikan Horror deals 1 damage to any target. 2/2 |
| Bloodhall Ooze | R | Creature — Ooze | At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze. At the beginning of your upkeep, if you control a green permanent, you may put a +1/+1 counter on Bloodhall Ooze. 1/1 |
| Black Vise | 1 | Artifact | As Black Vise enters the battlefield, choose an opponent. At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4. |
| Ajani's Mantra | 1W | Enchantment | At the beginning of your upkeep, you may gain 1 life. |
| Geode Grotto | Land — Cave | (Transforms from Dowsing Device.) {T}: Add {R}. {2}{R}, {T}: Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery. | |
| Stonewood Invoker | 1G | Creature — Elf Mutant | {7}{G}: Stonewood Invoker gets +5/+5 until end of turn. 2/2 |