M:tG card similarity search
3UU · Enchantment
As Psychic Allergy enters the battlefield, choose a color. At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.
| Name | Mana | Type | Text |
|---|---|---|---|
| Shizuko, Caller of Autumn | 1GG | Legendary Creature — Snake Shaman | At the beginning of each player's upkeep, that player adds {G}{G}{G}. Until end of turn, they don't lose this mana as steps and phases end. 2/3 |
| Ripples of Potential | 1U | Instant | Proliferate, then choose any number of permanents you control that had a counter put on them this way. Those permanents phase out. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.) |
| Artillery Blast | 1W | Instant | Domain — Artillery Blast deals X damage to target tapped creature, where X is 1 plus the number of basic land types among lands you control. |
| Vedalken Infuser | 3U | Creature — Vedalken Wizard | At the beginning of your upkeep, you may put a charge counter on target artifact. 1/4 |
| 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 |
| Stave Off | W | Instant | Target creature gains protection from the color of your choice until end of turn. |
| Stinging Study | 4B | Instant | You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone. |
| Thran Quarry | Land | At the beginning of the end step, if you control no creatures, sacrifice Thran Quarry. {T}: Add one mana of any color. | |
| Faerie Bladecrafter | 2B | Creature — Faerie Rogue | Flying Whenever one or more Faeries you control deal combat damage to a player, put a +1/+1 counter on Faerie Bladecrafter. When Faerie Bladecrafter dies, each opponent loses X life and you gain X life, where X is its power. 2/2 |
| Knollspine Invocation | 1RR | Enchantment | {X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target. |