You get the first trigger from playing the land itself, and the second from using its ability to find another land in your deck
Its modal, it will always benefit you the most, and it rewards tokens

Operation Death Strike Queen Marchesa ( Decklist ) [Deck Title= Operation Death Strike Bryan Smith] [Creatures] 1 Thalia, Guardian of Thraben 1 Vampire Nighthawk 1 Gonti, Lord of Luxury 1 Thalia, Heretic Cathar 1 Odric, Lunarch Marshal 1 Archetype of Courage 1 Archetype of Finality 1 Advance Scout 1 Virtus the Veiled 1 Master of Cruelties 1 Gisela, Blade of Goldnight 1 Elbrus, the Binding Blade 1 Balduvian Warlord 1 Sun Titan 1 Brutal Hordechief 1 Queen Marchesa 1 Jeska, Warrior Adept [/Creatures] [Spells] 1 Quietus Spike 1 Eldrazi Monument 1 Whispersilk Cloak 1 Gryffs Boon 1 Power of Fire 1 Fervor 1 Basilisk Collar 1 Gorgons Head 1 Valor 1 Knighthood 1 Painful Lesson 1 Buried Alive 1 Heartwarming Redemption 1 Read the Bones 1 Victimize 1 Anointed Procession 1 Nights Whisper 1 Ob Nixilis Reignited 1 Plea for Guidance 1 Rise of the Dark Realms 1 Syphon Mind 1 Rage Reflection 1 Fire Whip 1 Lightning Greaves 1 Brave the Sands 1 Swiftfoot Boots 1 Anger 1 True Conviction 1 Brasss Bounty 1 Revel in Riches 1 Trove of Temptation 1 Treasure Map 1 Curse of Opulence 1 Oath of Lieges 1 Wayfarers Bauble 1 Chromatic Lantern 1 Boros Signet 1 Smothering Tithe 1 Rakdos Signet 1 Orzhov Signet 1 Profane Procession 1 Rout 1 Dusk // Dawn 1 Oblation 1 Declaration in Stone 1 Sorin, Solemn Visitor 1 Swords to Plowshares 1 Merciless Eviction [/Spells] [Lands] 1 Dragonskull Summit 1 Nomad Outpost 1 Caves of Koilos 1 Windbrisk Heights 1 Shambling Vent 1 Smoldering Marsh 1 Battlefield Forge 1 Evolving Wilds 1 Vault of the Archangel 1 Temple of Malice 9 Plains 3 Mountain 3 Swamp 1 Luxury Suite 1 Temple of the False God 1 Command Tower 1 Boros Garrison 1 Terramorphic Expanse 1 Rakdos Carnarium 1 Orzhov Basilica 1 Hall of Heliods Generosity 1 Temple of Triumph 1 Temple of Silence [/Lands] [/Deck] Theme This deck aims to get out a bunch of creatures with First Strike and Deathtouch, and control the board with attacks and blocks

Target creature gets -2/-2 until end of turn
Magic: The Gathering has many different types of creatures