Ivory Tower (Mark Justice) [Pro Tour Collector Set]Set: Pro Tour Collector Set Type: Artifact Rarity: Rare Cost: {1} At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4. Valuing scholarship above all else, the inhabitants of the Ivory Tower reward those who sacrifice power for knowledge.

Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield

Set: Amonkhet Type: Land — Forest Plains Rarity: Rare ({T}: Add {G} or {W}

Enchanted creature gets +2/+2 for each other enchantment on the battlefield

Since the war began

create a 1/1 red Elemental creature token

and to seed

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {3} You may spend white mana as though it were red mana

Set: Planar Chaos Type: Creature — Ape Spirit Rarity: Common Cost: {2}{R} Exile Simian Spirit Guide from your hand: Add {R}

the strange device was indistinguishable from the other on my workbench

Set: Seventh Edition Type: Enchantment Rarity: Rare Cost: {B} All creatures are black

Set: Commander 2017 Type: Artifact — Equipment Rarity: Uncommon Cost: {3} Equipped creature gets +3/+0 and has trample and lifelink

Set: POP Series 7 Type: Psychic Rarity: Uncommon Retreat cost: Colorless