Lethal Scheme (Promo Pack) [Streets of New Capenna Commander Promos] WTR006-M it can't be blocked as

it can't be blocked as long as defending player controls a Forest

"Control the Great Conduit

put that card into your graveyard

1 to 5 Players

Lethal Scheme (Promo Pack) [Streets of New Capenna Commander Promos] WTR006-M it can't be blocked asSet: Streets of New Capenna Commander Promos Type: Instant Rarity: Rare Cost: {2}{B}{B} Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy target creature or planeswalker. Each creature that convoked Lethal Scheme connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1 +1 counter on that creature.)