M:tG card similarity search
5UUUU · Creature — Leviathan
Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.) 10/10
| Name | Mana | Type | Text |
|---|---|---|---|
| Leechridden Swamp | Land — Swamp | ({T}: Add {B}.) Leechridden Swamp enters the battlefield tapped. {B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents. | |
| Dead Ringers | 4B | Sorcery | Destroy two target nonblack creatures unless either one is a color the other isn't. They can't be regenerated. |
| Implements of Sacrifice | 2 | Artifact | {1}, {T}, Sacrifice Implements of Sacrifice: Add two mana of any one color. |
| Malignant Growth | 3GU | 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.) At the beginning of your upkeep, put a growth counter on Malignant Growth. At the beginning of each opponent's draw step, that player draws an additional card for each growth counter on Malignant Growth, then Malignant Growth deals damage to the player equal to the number of cards they drew this way. |
| Rumbling Slum | 1RGG | Creature — Elemental | At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player. 5/5 |
| Havoc Devils | 2RR | Creature — Devil | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) 4/3 |
| Serendib Efreet | 2U | Creature — Efreet | Flying At the beginning of your upkeep, Serendib Efreet deals 1 damage to you. 3/4 |
| Satyr Hedonist | 1G | Creature — Satyr | {R}, Sacrifice Satyr Hedonist: Add {R}{R}{R}. 2/1 |
| 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 |
| Rustic Clachan | Land | As Rustic Clachan enters the battlefield, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters the battlefield tapped. {T}: Add {W}. Reinforce 1—{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.) |