By default, there is no limit on how many times per turn a triggered ability can take effect it happens as often as the trigger condition is met
On the front side, Valki, God of Lies is a disruptive early play for black decks that can shape-shift later in the game
You just play some good creatures and good planeswalkers while killing everything your opponent plays
This card needs to be in your collection as soon as possible
Endurance Bobblehead Intelligence Bobblehead Nuka-Cola Vending Machine Mystic Forge Panharmonicon The Prydwen, Steel Flagship Land (37) Ash Barrens Buried Ruin Clifftop Retreat Command Tower Evolving Wilds Exotic Orchard Ferrous Lake Glacial Fortress HELIOS One Irrigated Farmland Island x5 Mountain x4 Myriad Landscape Mystic Monastery Path of Ancestry Plains x4 Prairie Stream Razortide Bridge Rustvale Bridge Silverbluff Bridge Skycloud Expanse Spire of Industry Sulfur Falls Temple of Enlightenment Temple of Epiphany Terramorphic Expanse Treasure Vault Commander, Theme, and Strategy Ok, now this is what Im talking about
This will basically give your team hexproof for most things, but people will combine removal and stuff to blow your stuff so you'll be up a card like trading Swords to Plowshares and Terminate for your dork