If a spell or ability you control has one or more of its targets changed to a creature you control with a valiant ability, that ability will trigger if that creature hasn't yet been the target of a spell or ability you control this turn
A chapter ability is a triggered ability that triggers when a lore counter that is put on the Saga causes the number of lore counters on the Saga to become equal to or greater than the ability's chapter number

Sidisi Zombie Tribal Sidisi, Brood Tyrant | Illustration by Karl Kopinski Commander (1) Planeswalker (1) Creatures (42) Acidic Slime Balthor the Defiled Brokkos, Apex of Forever Death Baron Deathrite Shaman Diregraf Captain Diregraf Colossus Eternal Skylord Eternal Witness Fallen Shinobi Fleshbag Marauder Frilled Mystic Geth, Lord of the Vault Gisa and Geralf Gleaming Overseer Grave Titan Gravespawn Sovereign Gray Merchant of Asphodel Grimgrin, Corpse-Born Gyruda, Doom of Depths Jarad, Golgari Lich Lord Lich Lord of Unx Liliana's Standard Bearer Lord of the Undead Lotleth Troll Mikaeus, the Unhallowed Murderous Rider Mystic Snake Narfi, Betrayer King Noxious Ghoul Polukranos, Unchained Ramunap Excavator Reclamation Sage Shambling Shell Sidisi, Undead Vizier Stinkweed Imp The Scarab God Undead Warchief Underrealm Lich Vengeful Dead Withered Wretch Zombie Master Instants (5) Dig Through Time Entomb Forbidden Alchemy Mausoleum Secrets Murderous Cut Sorceries (12) Casualties of War Cultivate Farseek Kodama's Reach Life from the Loam Living Death Nature's Lore Patriarch's Bidding Splendid Reclamation Treasure Cruise Twilight's Call Zombie Apocalypse Enchantment (1) Artifact (1) Lands (37) Bojuka Bog Breeding Pool Command Tower Crypt of Agadeem Darkbore Pathway Drowned Catacomb Exotic Orchard Fetid Pools Flooded Strand Forest x2 Hinterland Harbor Island x2 Llanowar Wastes Mutavault Opulent Palace Overgrown Tomb Polluted Delta Port of Karfell Snow-Covered Forest Snow-Covered Island Snow-Covered Swamp Strip Mine Sunken Hollow Svogthos, the Restless Tomb Swamp x2 Tainted Isle Tainted Wood Temple of Malady Temple of Mystery Unholy Grotto Urborg, Tomb of Yawgmoth Watery Grave Woodland Cemetery Zagoth Triome Why play a traditional zombie deck when you can have a little fun with it

Best Cards With Harmonize Here are some of our favorite cards from Tarkir: Dragonstorm that let you double-dip with harmonize