Knowledge Exploitation [Morningtide] Mountain +1: You gain 2 life

+1: You gain 2 life for each Elf you control

Set: Modern Masters 2017 Type: Creature — Lhurgoyf Rarity: Mythic Cost: {1}{G} Tarmogoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1

Crackling and blazing

but my host would casually push it down before I could make out what it was

" —The Book of Tal

Knowledge Exploitation [Morningtide] Mountain +1: You gain 2 lifeSet: Morningtide Type: Tribal Sorcery Rogue Rarity: Rare Cost: {5}{U}{U} Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles.