Manaweft SliverHow it works & interactions with other cards

What Manaweft Sliver Does

Manaweft Sliver provides a static ability that grants a new activated ability to every creature you control with the Sliver subtype. Specifically, each Sliver gains "{T}: Add one mana of any color." Unlike older Sliver designs, this effect is asymmetrical, meaning it only benefits your own creatures and not those of your opponents.

Step-by-Step Resolution

First, Manaweft Sliver enters the battlefield. Immediately, its static ability applies to itself and all other Slivers you control. To use the mana ability, you must tap a Sliver; however, remember that unless a Sliver has haste, it cannot be tapped for mana the turn it enters the battlefield due to summoning sickness. When activated, the ability does not use the stack and resolves immediately, adding one mana of your chosen color to your mana pool.

Common Mistakes and Type Changes

A common point of confusion involves creature types. If a Sliver you control loses its Sliver subtype—perhaps through a transformation effect—it immediately loses the ability granted by Manaweft Sliver. Additionally, while mana abilities are cumulative, having two Manaweft Slivers means each Sliver has two separate instances of the ability. You can only tap the creature once to activate one of those abilities, not both.

When to Play It

Manaweft Sliver is best played early in the game to accelerate your mana curve. It allows you to cast more expensive hive members or splash powerful spells from different colors that you might otherwise struggle to cast.

Interaction examples

Scaling the Hive

Llanowar Elves

If you have both creatures on the battlefield, Llanowar Elves remains a simple mana producer for Green. However, Manaweft Sliver grants itself the ability to tap for any color. While Llanowar Elves is an Elf and does not gain the new ability, Manaweft Sliver ensures that any future Slivers you play can immediately contribute to your mana production.

Mana Fixing vs. Traditional Dorks

Birds of Paradise

Birds of Paradise is a classic mana fixer, but it only provides mana for itself. When you play Manaweft Sliver alongside it, the Sliver acts as a 'force multiplier.' If you then play a second Manaweft Sliver, both Slivers now have two instances of the mana-tapping ability. While you can still only tap each Sliver for one mana, you have redundant sources of fixing that Birds of Paradise cannot provide to your other creatures.