Marit Lage's Slumber [Modern Horizons] Pegasus you may have target player

you may have target player mill X cards

They obstruct the Grand Evolution

Set: Commander 2015 Type: Legendary Creature — Phyrexian Elf Warrior Rarity: Mythic Cost: {2}{G}{U} Whenever a creature with power 2 or less enters the battlefield under your control

Set: Ice Age Type: Enchantment Rarity: Rare Cost: {2}{R}{R} {2}

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Marit Lage's Slumber [Modern Horizons] Pegasus you may have target playerSet: Modern Horizons Type: Legendary Snow Enchantment Rarity: Rare Cost: {1}{U} Whenever Marit Lage's Slumber or another snow permanent enters the battlefield under your control, scry 1. At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage's Slumber. If you do, create Marit Lage, a legendary 20 20 black Avatar creature token with flying and indestructible.