Thoughtseize (Invocation) [Amonkhet Invocations] Human Assassin whenever a creature an opponent

whenever a creature an opponent controls blocks

" —Noyan Dar

if you control at least five other Mountains

Each creature you control with defender assigns combat damage equal to its toughness rather than its power and can attack as though it didn't have defender

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn

Thoughtseize (Invocation) [Amonkhet Invocations] Human Assassin whenever a creature an opponentSet: Amonkhet Invocations Type: Sorcery Rarity: Mythic Cost: {B} Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.