Swallow Whole For what it's worth, an effective Cannibalize for one mana seems pretty strong
That means you cannot use the abilities of cards you copied or stole that need mana not in your color identity

Goblin Bird-Grabber Goblin Ski Patrol Graviton, Fundamental Force Gravity Negator Grotesque Hybrid Groundling Pouncer Gryffwing Cavalry Guardian of Solitude Gust Walker Gust-Skimmer Gwaihir, Greatest of the Eagles Harmattan Efreet Heavenly Qilin Helitrooper Helium Squirter High-Flying Ace Honorbound Page Hopping Automaton Hovel Hurler Human Torch Hyalopterous Lemure Imperial Aerosaur Infernal Pet Inkling Mascot Iron Man, Futurist Paragon Ironclaw Buzzardiers Jason Bright, Glowing Prophet Kalastria Nightwatch Kami of Tattered Shoji Katsumasa, the Animator Kavu Glider Keen Glidemaster Kheru Lich Lord Kill-Zone Acrobat Killer Whale Kitesail Skirmisher Kithkeeper Kithkin Zephyrnaut Kor Aeronaut Kor Sky Climber Krovikan Elementalist Landroval, Horizon Witness Leaping Lizard Leaping Master Locthwain Gargoyle Lowland Oaf Machine Man, Model X-51 Majestic Heliopterus Majestic Myriarch Manor Gargoyle Manta Riders Mantis Engine Marketwatch Phantom Merrow Levitator Merrow Wavebreakers Mesa Chicken Mist Dragon Mistfire Adept Mistform Stalker Moniker Mage Morphling Mothdust Changeling Ms

Ungraded & graded values for all MTG 2XM Magic Cards
Original Tri-Lands Long before Triomes, the original tri-lands appeared in Shards of Alara
In general, removal spells have become more powerful than ever in the format, so the numbers of Fatal Push declined naturally