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 |
|---|---|---|---|
| Triskelion | 6 | Artifact Creature — Construct | Triskelion enters the battlefield with three +1/+1 counters on it. Remove a +1/+1 counter from Triskelion: It deals 1 damage to any target. 1/1 |
| Harbinger of Night | 2BB | Creature — Spirit | At the beginning of your upkeep, put a -1/-1 counter on each creature. 2/3 |
| Sisterhood of Karn | 1G | Creature — Cleric | Sisterhood of Karn enters the battlefield with a +1/+1 counter on it. Paradox — Whenever you cast a spell from anywhere other than your hand, double the number of +1/+1 counters on Sisterhood of Karn. 0/0 |
| Ion Storm | 2R | Enchantment | {1}{R}, Remove a +1/+1 counter or a charge counter from a permanent you control: Ion Storm deals 2 damage to any target. |
| Sporogenesis | 3G | Enchantment | At the beginning of your upkeep, you may put a fungus counter on target nontoken creature. Whenever a creature with a fungus counter on it dies, create a 1/1 green Saproling creature token for each fungus counter on that creature. When Sporogenesis leaves the battlefield, remove all fungus counters from all creatures. |
| Tetravus | 6 | Artifact Creature — Construct | Flying Tetravus enters the battlefield with three +1/+1 counters on it. At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted." At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus. 1/1 |
| Ascendant Acolyte | 4G | Creature — Human Monk | Ascendant Acolyte enters the battlefield with a +1/+1 counter on it for each +1/+1 counter among other creatures you control. At the beginning of your upkeep, double the number of +1/+1 counters on Ascendant Acolyte. 1/1 |
| Clearwater Goblet | 5 | Artifact | Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet. |
| Primordial Hydra | XGG | Creature — Hydra | Primordial Hydra enters the battlefield with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it. 0/0 |
| Tenacious Hunter | 2GG | Creature — Crocodile | As long as a creature has a -1/-1 counter on it, Tenacious Hunter has vigilance and deathtouch. 4/4 |