M:tG card similarity search
4GG · Creature — Dinosaur
Trample When Regal Behemoth enters the battlefield, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color. 5/5
| Name | Mana | Type | Text |
|---|---|---|---|
| The Golden Throne | 4 | Legendary Artifact | Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1. A Thousand Souls Die Every Day — {T}, Sacrifice a creature: Add three mana in any combination of colors. |
| North Star | 4 | Artifact | {4}, {T}: For one spell this turn, you may spend mana as though it were mana of any type to pay that spell's mana cost. (Additional costs are still paid normally.) |
| Klauth, Unrivaled Ancient | 5RG | Legendary Creature — Dragon | Flying, haste Whenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end. 4/4 |
| Lair of the Hydra | Land | If you control two or more other lands, Lair of the Hydra enters the battlefield tapped. {T}: Add {G}. {X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0. | |
| Zaxara, the Exemplary | 1BGU | Legendary Creature — Nightmare Hydra | Deathtouch {T}: Add two mana of any one color. Whenever you cast a spell with {X} in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it. 2/3 |
| Sunrise Cavalier | 1RW | Creature — Human Knight | Trample, haste If it's neither day nor night, it becomes day as Sunrise Cavalier enters the battlefield. Whenever day becomes night or night becomes day, put a +1/+1 counter on target creature you control. 3/3 |
| Tome of the Infinite | 2U | Legendary Artifact | {U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Swirl the Mists | 2UU | Enchantment | As Swirl the Mists enters the battlefield, choose a color word. All instances of color words in the text of spells and permanents are changed to the chosen color word. |
| Savage Firecat | 3RR | Creature — Elemental Cat | Trample Savage Firecat enters the battlefield with seven +1/+1 counters on it. Whenever you tap a land for mana, remove a +1/+1 counter from Savage Firecat. 0/0 |
| Elemental Resonance | 2GG | Enchantment — Aura | Enchant permanent At the beginning of your precombat main phase, add mana equal to enchanted permanent's mana cost. (Mana cost includes color. If a mana symbol has multiple colors, choose one.) |