M:tG card similarity search
2 · Artifact — Equipment
{2}: Regenerate equipped creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's black. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Bulette | 3G | Creature — Beast | At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on Bulette. 3/3 |
| Debtors' Knell | 4W/BW/BW/B | Enchantment | ({W/B} can be paid with either {W} or {B}.) At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. |
| Virtue of Persistence | 5BB | Enchantment | At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. |
| Celestial Ancient | 3WW | Creature — Elemental | Flying Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control. 3/3 |
| Corrosion | 1BR | Enchantment | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When Corrosion leaves the battlefield, remove all rust counters from all permanents. |
| Dig Deep | 1G | Sorcery — Adventure | Choose target creature. Mill four cards, then put a +1/+1 counter on that creature for each creature card milled this way. |
| Protean Hydra | XG | Creature — Hydra | Protean Hydra enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Protean Hydra, prevent that damage and remove that many +1/+1 counters from it. Whenever a +1/+1 counter is removed from Protean Hydra, put two +1/+1 counters on it at the beginning of the next end step. 0/0 |
| Shadowborn Demon | 3BB | Creature — Demon | Flying When Shadowborn Demon enters the battlefield, destroy target non-Demon creature. At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature. 5/6 |
| Ageless Entity | 3GG | Creature — Elemental | Whenever you gain life, put that many +1/+1 counters on Ageless Entity. 4/4 |
| Aura Flux | 2U | Enchantment | Other enchantments have "At the beginning of your upkeep, sacrifice this enchantment unless you pay {2}." |