Slippery Karst is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

This land enters tapped. : Add . Cycling (, Discard this card: Draw a card.)

Complete guide

Slippery Karst is a versatile utility land that provides mana when you need it or a fresh card when you don't. As a staple in many green decks, it ensures your land drops are consistent while offering a late-game exit strategy. This blog post breaks down the mechanics of cycling lands and how they fit into your mana base.

A Land with a Backup Plan

Slippery Karst has two primary functions: providing green mana and Cycling. It enters the battlefield tapped, meaning it won't help you on the turn you play it. However, its Cycling ability allows you to pay two generic mana and discard it from your hand to draw a new card, which is perfect when you already have enough mana and need to find a threat.

The Resolution Process

When you choose to use the Cycling ability, you must have Slippery Karst in your hand. You pay the two generic mana and discard the card as a cost to put the ability on the stack. Because it is an activated ability, players can respond to it, but the card is already in the graveyard. If the ability resolves, you draw a card. Note that Cycling is not 'playing' a land, so it does not count toward your one land per turn limit.

Common Mistakes

One frequent error is trying to cycle Slippery Karst while it is on the battlefield; Cycling only functions from the hand. Additionally, players sometimes forget that because it enters tapped, it cannot be tapped for mana immediately. Always plan a turn ahead when deciding whether to play it for mana or hold it to cycle.

When to Play Slippery Karst

This card is best played early when your curve allows for a tapped land, or held in your hand during the late game. If you find yourself in a 'mana flood' situation where you have plenty of lands, Slippery Karst is much more valuable as a draw trigger than as a source of green mana.

Interaction examples

Fixing Your Draws

Command Tower

If you have Command Tower on the battlefield and Slippery Karst in hand on turn five, you might decide you have enough mana. You can tap the Command Tower and one other land to pay the {2} Cycling cost for Slippery Karst, discarding it to draw a new card without using your land play for the turn.

Tapped Land Sequencing

Exotic Orchard

If you need mana for next turn, you play Slippery Karst. It enters the battlefield tapped. On your next turn, you play Exotic Orchard. Now you have access to the green mana from the Karst and whatever mana the Orchard can produce based on your opponents' lands, giving you a stable foundation for your spells.

Guide written with AI from the official text and rulings. Official English text prevails.