Verdant Confluence [Commander Masters] Frog Rogue sacrifice it unless you return

sacrifice it unless you return an untapped Forest you control to its owner's hand

So he laughed

“These skittering creatures were created to hunt the one true threat to Phyrexia: dissent

Set: Phyrexia: All Will Be One Promos Type: Legendary Creature — Phyrexian Horror Rarity: Mythic Cost: {2}{W}{W} If one or more tokens would be created under your control

create five of those tokens instead

Verdant Confluence [Commander Masters] Frog Rogue sacrifice it unless you returnSet: Commander Masters Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Choose three. You may choose the same mode more than once. Put two +1 +1 counters on target creature. Return target permanent card from your graveyard to your hand. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Choose three. You may choose the same mode more than once. Put two +1 +1 counters on target creature. Return target permanent card