Tezzeret the Seeker (Japanese Borderless) [Secret Lair Drop Series] GG45 if it's attacking the player

if it's attacking the player with the most life or tied for most life

Set: Gym Heroes 1st Edition Type: Grass Rarity: Rare Retreat cost: Colorless

or whatever extensive research you've done and can show that they're from that plane

Set: Sword & Shield: Silver Tempest Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Set: Sword & Shield: Crown Zenith Type: Lightning Rarity: Holo Rare Retreat cost: 1

Tezzeret the Seeker (Japanese Borderless) [Secret Lair Drop Series] GG45 if it's attacking the playerSet: Secret Lair Drop Series 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.