According the Magic's Head Designer Mark Rosewater, a saga creature is the story of the summoning of the creature. And, in a way, Final Fantasy s summons make Magic go full circle: back in Alpha , spells that summon a creature literally said Summon in the type line
The set is a massive crossover that was five years in the making, and with over 100 legendary heroes and villains to choose from, picking a commander can feel like choosing your starting party for the first time

Facilier 79 $0.05 Enchantress 80 $0.10 Flynn Rider 81 $0.26 Flynn Rider 82 $0.05 Gaston 83 $0.21 Little John 84 $0.24 Lucifer 85 $0.07 Pain 86 $0.06 Panic 87 $0.20 Pete 88 $0.69 Prince John 89 $0.07 Queen of Hearts 90 $0.04 Ratigan 91 $0.07 Ray 92 $0.24 The Queen 93 $0.13 Tiana 94 $0.04 Virana 95 $0.22 Bibbidi Bobbidi Boo 96 $0.14 Bounce 97 $0.07 Hypnotize 98 $0.04 Improvise 99 $0.23 Pack Tactics 100 $0.13 Ring the Bell 101 $0.13 Ratigan's Marvelous Trap 102 $0.04 Baloo 103 $0.04 Boun 104 $0.07 Card Soldiers 105 $1.04 Donald Duck 106 $0.07 Felicia 107 $0.06 Fidget 108 $0.13 Honest John 109 $0.33 Lady Tremaine 110 $0.05 Lady Tremaine 111 $0.15 Lumiere 112 $0.12 Minnie Mouse 113 $0.16 Minnie Mouse 114 $0.07 Minnie Mouse 115 $0.11 Mother Gothel 116 $0.07 Mulan 117 $0.15 Namaari 118 $0.22 Queen of Hearts 119 $0.14 Queen of Hearts 120 $0.15 Ratigan 121 $0.06 Raya 122 $0.18 Raya 123 $0.09 Raya 124 $1.23 Scar 125 $0.29 Shere Khan 126 $0.09 Tigger 127 $0.14 Tuk Tuk 128 $0.07 Go the Distance 129 $0.21 Teeth and Ambitions 130 $0.07 The Most Diabolical Scheme 131 $0.05 What Did You Call Me

Other items have passive effects that are always in effect and dont need activating
I work on so many projects and games, and everyone comes to me asking 'Hey, can you make me a character like Sephiroth?' he said