M:tG card similarity search
4GG · Creature — Hydra
Reach Ulvenwald Hydra's power and toughness are each equal to the number of lands you control. When Ulvenwald Hydra enters the battlefield, you may search your library for a land card, put it onto the battlefield tapped, then shuffle. */*
| Name | Mana | Type | Text |
|---|---|---|---|
| Uncontrolled Infestation | 1R | Enchantment — Aura | Enchant nonbasic land When enchanted land becomes tapped, destroy it. |
| Worms of the Earth | 2BBB | Enchantment | Players can't play lands. Lands can't enter the battlefield. At the beginning of each upkeep, any player may sacrifice two lands or have Worms of the Earth deal 5 damage to that player. If a player does either, destroy Worms of the Earth. |
| Mother Kangaroo | 4G | Host Creature — Kangaroo | When this creature enters the battlefield, roll a six-sided die. Put a number of +1/+1 counters on this creature equal to the result. 1/1 |
| Referee Squad | 2U | Creature — Homunculus | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Vigilance When Referee Squad enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) 2/2 |
| Citanul Flute | 5 | Artifact | {X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle. |
| Doomsday | BBB | Sorcery | Search your library and graveyard for five cards and exile the rest. Put the chosen cards on top of your library in any order. You lose half your life, rounded up. |
| Empty the Laboratory | XUU | Sorcery | Sacrifice X Zombies, then reveal cards from the top of your library until you reveal a number of Zombie creature cards equal to the number of Zombies sacrificed this way. Put those cards onto the battlefield and the rest on the bottom of your library in a random order. |
| Ancestral Knowledge | 1U | 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.) When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order. When Ancestral Knowledge leaves the battlefield, shuffle your library. |
| False Floor | 4 | Artifact | False Floor enters the battlefield tapped. Creatures enter the battlefield tapped. {2}, {T}, Exile False Floor: Exile all untapped creatures. Activate only as a sorcery. |
| Manglehorn | 2G | Creature — Beast | When Manglehorn enters the battlefield, you may destroy target artifact. Artifacts your opponents control enter the battlefield tapped. 2/2 |