Wrenn and Six (Etched) WAR Land creatures you control have

Land creatures you control have vigilance

those creatures get +4/+4 until end of turn

and it's attacking that player

create a 3/3 white Angel creature token with flying

Karn's power and toughness are each equal to the greatest mana value among artifacts you control

Wrenn and Six (Etched) WAR Land creatures you control have+1: Return up to one target land card from your graveyard to your hand. 1: Wrenn and Six deals 1 damage to any target. 7: You get an emblem with 'Instant and sorcery cards in your graveyard have retrace.' (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)