Six 370 (Modern Horizons 3) - Borderless Lorcana This land enters tapped unless

This land enters tapped unless you control a Mountain or a Plains

Corhazi Lightblade gains critical 1 until end of turn

Flash If a source would deal damage to a permanent or player

Players can't untap more than one artifact during their untap steps

Six 370 (Modern Horizons 3) - Borderless Lorcana This land enters tapped unlessReach Whenever Six attacks, mill three cards. You may put a land card from among them into your hand. During your turn, nonland permanent cards in your graveyard have retrace. (You may cast permanent cards from your graveyard by discarding a land card in addition to paying their other costs.)