Mindleecher [Commander 2020]

Mindleecher [Commander 2020]Set: Commander 2020 Type: Creature Nightmare Rarity: Rare Cost: {4}{B}{B} Mutate {4}{B} (If you cast this spell for its mutate cost, put it over or under target non Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying Whenever this creature mutates, exile the top card of each opponent's library face down. You may look at and play those cards for as long as they remain exiled.

Set: Eventide Promos Type: Creature — Kithkin Rarity: Rare Cost: {R/W} {R/W}: Figure of Destiny becomes a Kithkin Spirit with base power and toughness 2/2

Set: Dissension Type: Instant // Instant Rarity: Rare Cost: {R}{W} // {W}{B} Put target artifact or enchantment on the bottom of its owner's library

Set: Worldwake Type: Creature — Goblin Knight Rarity: Common Cost: {2}{R} Astride the bucking creature

Set: Legions Type: Creature — Illusion Rarity: Common Cost: {3}{U} Flying

The number printed on the card is no longer in service

If an elf can dream it

They seldom feel its terrible power

"Hesitation breeds dissension

Set: Ravnica: City of Guilds Type: Sorcery Rarity: Common Cost: {1}{G} Search your library for a Plains

you may put a quest counter on Quest for Ancient Secrets

Set: Ravnica Allegiance Tokens Type: Token Creature — Zombie Rarity: Common

Why would I want to do that