Negan creates a Treasure token whenever an opponent sacrifices a creature
You cast the exiled card while Vaan's first ability is still on the stack
Teval, the Balanced Scale Black Lotus Tezzeret, Cruel Captain Sheoldred, the Apocalypse Battle of the Rotted Tower Emberheart Challenger Tiamat Broodmate Tyrant Grist, the Plague Swarm Adult Gold Dragon Archon of the Wild Rose Time Walk Karn, Living Legacy Huntmaster of the Fells - Artist Series Craterhoof Behemoth Cyclonic Rift Blightsteel Colossus Elenda, the Dusk Rose Mox Opal Eternal Witness Ajani Steadfast Jegantha, the Wellspring Kozilek, the Great Distortion Lyra Dawnbringer Platinum Angel - Artist Series Sarulf, Realm Eater Sliver Gravemother Tivit, Seller of Secrets
With each lands unique weather and terrain, the set creates a panorama that moves from dry heat to pleasant cool waters, from sticky wetness up a dangerous climb, then down through mysterious trees
Since we have some great finishers in Taunt from the Rampart, Jetmir, Craterhoof, and so on, finding one of them becomes pretty important