While Case of the Gateway Express and Warleader's Call can both add nice buffs to your board, it's the addition of Recruiter's enter the battlefield trigger that typically lets you alpha strike for lethal damage
It's a cool card with an interesting design that plays off of both Jiang Yanggu and Mu Yanling's core elements, but I think for your average Planechase game, you'll likely have a better time with The Great Aerie
Describing that in Magic terms in the Arabian Nights era was pretty difficult: Select a creature in play when Oubliette is cast
Legendary Creature - Boar God Karlach, Fury of Avernus Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures
94 $0.07 I Will Find My Way 95 $0.06 Strike a Good Match 96 $0.03 Airfoil 97 $0.11 Robin's Bow 98 $0.09 Starlight Vial 99 $0.06 De Vil Manor 100 $0.14 Fang 101 $0.07 Kuzco's Palace 102 $0.20 Ariel 103 $0.05 Billy Bones 104 $0.23 Captain Hook 105 $0.03 Della Duck 106 $0.07 HeiHei 107 $0.84 Hydra 108 $0.98 Jim Hawkins 109 $0.05 Jim Hawkins 110 $0.03 Kakamora 111 $0.24 Madame Medusa 112 $0.03 Maui 113 $0.06 Maui 114 $0.07 Milo Thatch 115 $0.12 Moana 116 $0.05 Moana 117 $0.06 Nutsy 118 $0.04 Peter Pan 119 $0.10 Peter Pan 120 $0.13 Prince Eric 121 $0.06 Scroop 122 $0.13 Simba 123 $0.06 Slightly 124 $0.06 Stitch 125 $0.06 Trigger 126 $0.03 Webby Vanderquack 127 $0.03 Divebomb 128 $0.08 I've Got a Dream 129 $0.13 On Your Feet
When Grim Bauble comes into play, you get to give one of your opponents creatures -2/-2, taking out plenty of smaller and early game creatures