M:tG card similarity search
2U · Enchantment
Cast this spell only if no permanents named Tidal Influence are on the battlefield. Tidal Influence enters the battlefield with a tide counter on it. At the beginning of your upkeep, put a tide counter on Tidal Influence. As long as there is exactly one tide counter on Tidal Influence, all blue creatures get -2/-0. As long as there are exactly three tide counters on Tidal Influence, all blue creatures get +2/+0. Whenever there are four or more tide counters on Tidal Influence, remove all tide counters from it.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Thorn Thallid | 1GG | Creature — Fungus | At the beginning of your upkeep, put a spore counter on Thorn Thallid. Remove three spore counters from Thorn Thallid: It deals 1 damage to any target. 2/2 | 
| Rustvine Cultivator | G | Creature — Phyrexian Elf Druid | {T}: Put an oil counter on Rustvine Cultivator. {T}, Remove an oil counter from Rustvine Cultivator: Untap target land. 1/2 | 
| The One Ring | 4 | Legendary Artifact | Indestructible When The One Ring enters the battlefield, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring. | 
| Serrated Biskelion | 3 | Artifact Creature — Construct | {T}: Put a -1/-1 counter on Serrated Biskelion and a -1/-1 counter on target creature. 2/2 | 
| Shrine of Boundless Growth | 3 | Artifact | At the beginning of your upkeep or whenever you cast a green spell, put a charge counter on Shrine of Boundless Growth. {T}, Sacrifice Shrine of Boundless Growth: Add {C} for each charge counter on Shrine of Boundless Growth. | 
| Lux Cannon | 4 | Artifact | {T}: Put a charge counter on Lux Cannon. {T}, Remove three charge counters from Lux Cannon: Destroy target permanent. | 
| Deity of Scars | B/GB/GB/GB/GB/G | Creature — Spirit Avatar | Trample Deity of Scars enters the battlefield with two -1/-1 counters on it. {B/G}, Remove a -1/-1 counter from Deity of Scars: Regenerate Deity of Scars. 7/7 | 
| Surge Node | 1 | Artifact | Surge Node enters the battlefield with six charge counters on it. {1}, {T}, Remove a charge counter from Surge Node: Put a charge counter on target artifact. | 
| Deathspore Thallid | 1B | Creature — Zombie Fungus | At the beginning of your upkeep, put a spore counter on Deathspore Thallid. Remove three spore counters from Deathspore Thallid: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: Target creature gets -1/-1 until end of turn. 1/1 | 
| Propagator Primordium | 1G | Creature — Fungus | When Propagator Primordium enters the battlefield, conjure two cards named Propagator Primordium into your graveyard. At the beginning of your upkeep, put a spore counter on Propagator Primordium. Remove three spore counters from Propagator Primordium: Return target Fungus creature card from your graveyard to the battlefield. 3/3 |