# 2021 Magic: The Gathering Mystery Booster Playtest Cards 2021 #99

> The details of Sliv-Mizzet, Hivemind from the Magic: The Gathering Mystery Booster Playtest Cards 2021 series. This catalog page outlines the card's mechanics, rarity, and design context for collectors.

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## Identity

- **Year**: 2021
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: Mystery Booster Playtest Cards 2021
- **Card number**: #99
- **Product type**: TCG_CARD

## Description

Sliv-Mizzet, Hivemind is a distinctive entry from the Magic: The Gathering Mystery Booster Playtest Cards 2021 set, identified by card number 99. As a Legendary Creature — Dragon Sliver, this card represents the experimental nature of the playtest series, which was designed to explore new mechanics and interactions outside of standard release constraints. The card features a mana cost of {2}{U}{R} and boasts a mana value of 6, balancing its powerful abilities with resource investment. Its rules text allows it to grant flying to other Slivers you control, deal damage to any target whenever you draw a card, and provides a card draw ability when tapped. Illustrated by Jeff Stewart, the card is classified as Rare within the CMB2 subset. Collectors interested in the evolution of Magic: The Gathering design often look to the Mystery Booster Playtest Cards 2021 series for insight into how future mechanics were tested and refined. This product serves as a fascinating piece for enthusiasts of the Dragon Sliver archetype and those tracking the development history of the trading card game. Understanding the context of the playtest series helps collectors appreciate the unique design choices made for cards like Sliv-Mizzet, Hivemind.

## FAQ

### What is the Mystery Booster Playtest Cards 2021 series?

The Mystery Booster Playtest Cards 2021 series is a collection of cards designed to test new mechanics and formats for Magic: The Gathering. These cards were not intended for official tournament play but offer insight into the development process of the game.

### What are the key abilities of Sliv-Mizzet, Hivemind?

Sliv-Mizzet, Hivemind is a Legendary Dragon Sliver that grants flying to other Slivers you control. It also deals 1 damage to any target whenever you draw a card and has an activated ability that allows you to draw a card by tapping it.

### Who illustrated Sliv-Mizzet, Hivemind?

The card Sliv-Mizzet, Hivemind was illustrated by Jeff Stewart. His artwork is featured on the card within the Mystery Booster Playtest Cards 2021 set.

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Last verified: 2025-11-29.