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 |
|---|---|---|---|
| Scion of Shiv | 2RR | Creature — Dragon | Flying {2}{R}: Scion of Shiv perpetually gets +1/+0. 3/3 |
| Arcus Acolyte | GW | Creature — Human Cleric Archer | Reach, lifelink Outlast {G/W} ({G/W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Each other creature you control without a +1/+1 counter on it has outlast {G/W}. 2/2 |
| An Offer You Can't Refuse | U | Instant | Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.") |
| Lifecrafter's Bestiary | 3 | Artifact | At the beginning of your upkeep, scry 1. Whenever you cast a creature spell, you may pay {G}. If you do, draw a card. |
| Angel of Unity | 1W | Creature — Angel Cleric | Flying, lifelink Whenever Angel of Unity enters the battlefield or you cast a party spell, choose a party creature card in your hand. It perpetually gets +1/+1. (A party card or spell is a Cleric, Rogue, Warrior, or Wizard.) 1/3 |
| Stamp of Approval | 3 | Artifact | As Stamp of Approval enters the battlefield, choose a watermark. Creatures you control with the chosen watermark get +1/+1. |
| Snapping Sailback | 4G | Creature — Dinosaur | Flash Enrage — Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.) 4/4 |
| Voracious Wurm | 1G | Creature — Wurm | Voracious Wurm enters the battlefield with X +1/+1 counters on it, where X is the amount of life you've gained this turn. 2/2 |
| Stronghold Machinist | 2U | Creature — Human Spellshaper | {U}{U}, {T}, Discard a card: Counter target noncreature spell. 1/1 |
| Celestial Messenger | 2UU | Creature — Bird Spirit | Flash (You may cast this card any time you could cast an instant.) Flying Celestial Messenger gets +1/+1 as long as you control a Yanling planeswalker. 3/2 |