M:tG card similarity search
1B · Enchantment — Aura
Enchant creature When Vampirism enters the battlefield, draw a card at the beginning of the next turn's upkeep. Enchanted creature gets +1/+1 for each other creature you control. Other creatures you control get -1/-1.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Rosethorn Halberd | G | Artifact — Equipment | When Rosethorn Halberd enters the battlefield, attach it to target non-Human creature you control. Equipped creature gets +2/+1. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.) | 
| Balduvian Rage | XR | Instant | Target attacking creature gets +X/+0 until end of turn. Draw a card at the beginning of the next turn's upkeep. | 
| Carrier Pigeons | 3W | Creature — Bird | Flying When Carrier Pigeons enters the battlefield, draw a card at the beginning of the next turn's upkeep. 1/1 | 
| Flowstone Surge | 1R | Enchantment | Creatures you control get +1/-1. | 
| Ancestral Vengeance | BB | Enchantment — Aura | Enchant creature When Ancestral Vengeance enters the battlefield, put a +1/+1 counter on target creature you control. Enchanted creature gets -1/-1. | 
| Krovikan Plague | 2B | Enchantment — Aura | Enchant non-Wall creature you control When Krovikan Plague enters the battlefield, draw a card at the beginning of the next turn's upkeep. Tap enchanted creature: Krovikan Plague deals 1 damage to any target. Put a -0/-1 counter on enchanted creature. Activate only if enchanted creature is untapped. | 
| Quag Sickness | 2B | Enchantment — Aura | Enchant creature Enchanted creature gets -1/-1 for each Swamp you control. | 
| Hag of Inner Weakness | 2B | Creature — Hag Warlock | At the beginning of your upkeep, target creature an opponent controls gets -2/-1 until your next turn. 2/2 | 
| Horn of Valhalla | 1W | Artifact — Equipment | Equipped creature gets +1/+1 for each creature you control. Equip {3} | 
| Pennon Blade | 3 | Artifact — Equipment | Equipped creature gets +1/+1 for each creature you control. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.) |