Harbor Serpent

Cards similar to Harbor Serpent:

Deathbringer Regent

Creature — Dragon (5/6)

Flying
When Deathbringer Regent enters, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

8.4 /10

$0.19

Blasphemous Edict

Sorcery

You may pay rather than pay this spell's mana cost if there are thirteen or more creatures on the battlefield.
Each player sacrifices thirteen creatures of their choice.

6.5 /10

$9.61

Central Elevator // Promising Stairs

Enchantment — Room // Enchantment — Room

When you unlock this door, search your library for a Room card that doesn't have the same name as a Room you control, reveal it, put it into your hand, then shuffle.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Promising Stairs

At the beginning of your upkeep, surveil 1. You win the game if there are eight or more different names among unlocked doors of Rooms you control.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

6.5 /10

$0.22

Drop of Honey

Enchantment

At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them.
When there are no creatures on the battlefield, sacrifice Drop of Honey.

2.9 /10

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Glacial Crasher

Creature — Elemental (5/5)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Glacial Crasher can't attack unless there is a Mountain on the battlefield.

1 /10

$0.02

Hour of Revelation

Sorcery

This spell costs less to cast if there are ten or more nonland permanents on the battlefield.
Destroy all nonland permanents.

8.9 /10

$0.67

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