Tezzeret the Seeker [Modern Masters 2015]Set: Modern Masters 2015 Type: Legendary Planeswalker Tezzeret Rarity: Mythic Cost: {3}{U}{U} +1: Untap up to two target artifacts. X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. 5: Artifacts you control become artifact creatures with base power and toughness 5 5 until end of turn.

then return it to the battlefield tapped under its owner's control

Set: Sun & Moon: Burning Shadows Type: Darkness Rarity: Secret Rare Retreat cost: Colorless

Set: EX: Emerald Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

sacrifice this artifact unless you pay {2}

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {3} {1}: The next time an unblocked creature of your choice would deal combat damage to you this turn

The student searches the world for meaning

Set: Sun & Moon: Hidden Fates - Shiny Vault Type: Grass Rarity: Secret Rare Retreat cost: Colorless

exile that card from your graveyard

Set: Mirage Type: World Enchantment Rarity: Rare Cost: {2}{R} Creatures with flying can block only creatures with flying

where X is 1 plus the number of Gorganian Tomes in all graveyards

and "this turn" and "until end of turn" effects end

" —Seneca