# 2021 Magic: The Gathering Mystery Booster Playtest Cards 2021 #102

> The Slivdrazi Monstrosity is a rare 2021 Magic: The Gathering card from the Mystery Booster Playtest Cards set, featuring a powerful six-mana Legendary Sliver Eldrazi.

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## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Mystery Booster Playtest Cards 2021
- **Card number**: #102
- **Product type**: TCG_CARD

## Description

The Slivdrazi Monstrosity stands as one of the most mechanically ambitious creatures in the Magic: The Gathering Mystery Booster Playtest Cards set. Released in 2021 with the card number 102, this rare card blurs the lines between two distinct archetypes, merging the tribal cohesion of Slivers with the overwhelming, colorless threat of the Eldrazi. Designed by Justin Cornell, the card presents a unique challenge for players seeking to build synergistic decks that can leverage both identities simultaneously.

As a Legendary Creature — Sliver Eldrazi with a mana value of six, Slivdrazi Monstrosity demands a significant investment of resources. Its ability allows any Eldrazi you control to also be Slivers, while any Slivers you control gain the Devoid and Annihilator 1 abilities. This dual-type interaction creates a powerful engine that can dominate the board state by converting traditional tribal strategies into colorless threats or turning Eldrazi lists into a cohesive tribal army. The card also includes a mana ability that lets you create 1/1 colorless Eldrazi Sliver tokens, which can be sacrificed to add generic mana, further fueling your spells.

Collectors of Magic: The Gathering trading card game cards often seek out Mystery Booster Playtest Cards for their experimental nature and unique design language. The Slivdrazi Monstrosity is particularly notable for its complex rules text and its role in exploring the boundaries of creature types. Its presence in the set highlights Wizards of the Coast's willingness to experiment with unconventional combinations that challenge standard deck-building norms. Whether you are a competitive player looking to test new synergies or a collector interested in the evolution of Magic's design philosophy, this card offers a fascinating glimpse into the creative process behind the game. The card's six-color identity (White, Blue, Black, Red, and Green) further emphasizes its complexity, requiring a diverse mana base to cast effectively. This makes it a standout piece for anyone interested in the strategic depth and variety that Magic: The Gathering offers.

## FAQ

### What makes the Slivdrazi Monstrosity card unique?

The Slivdrazi Monstrosity is unique because it is both a Sliver and an Eldrazi, allowing players to use abilities from both archetypes simultaneously. This dual-type interaction creates powerful synergies that are not found in other cards.

### Is the Slivdrazi Monstrosity a legal tournament card?

No, the Slivdrazi Monstrosity is a playtest card from the Mystery Booster set and is not legal in any official Magic: The Gathering tournament formats. It is intended for casual play and collection.

### Who designed the Slivdrazi Monstrosity card?

The card was designed by Justin Cornell, who is known for his creative contributions to Magic: The Gathering card design. His work on this card explores the intersection of tribal and colorless mechanics.

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Last verified: 2025-11-29.