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 | 
|---|---|---|---|
| Roiling Regrowth | 2G | Instant | Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. | 
| Primeval Herald | 3G | Creature — Elf Scout | Trample Whenever Primeval Herald enters the battlefield or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. 3/1 | 
| Map the Wastes | 2G | Sorcery | Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.) | 
| Entish Restoration | 2G | Instant | Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. If you control a creature with power 4 or greater, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle. | 
| Cleansing Wildfire | 1R | Sorcery | Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. Draw a card. | 
| Wave of Vitriol | 5GG | Sorcery | Each player sacrifices all artifacts, enchantments, and nonbasic lands they control. For each land sacrificed this way, its controller may search their library for a basic land card and put it onto the battlefield tapped. Then each player who searched their library this way shuffles. | 
| Claim Jumper | 2W | Creature — Rabbit Mercenary | Vigilance When Claim Jumper enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card and put it onto the battlefield tapped. Then if an opponent controls more lands than you, repeat this process once. If you search your library this way, shuffle. 3/3 | 
| Rampant Growth | 1G | Sorcery | Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. | 
| Deep Reconnaissance | 2G | Sorcery | Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Flashback {4}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.) | 
| Demolition Field | Land | {T}: Add {C}. {2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle. |