What affects the value of Shared Summons

Tyranid Swarm Commander (1) Creature (36) Aberrant Acolyte Hybrid Atalan Jackal Biophagus Broodlord Clamavus Deathleaper, Terror Weapon Exocrine Gargoyle Flock Genestealer Locus Genestealer Patriarch Ghyrson Starn, Kelermorph Haruspex Hierophant Bio-Titan Hormagaunt Horde Lictor Magus Lucea Kane Malanthrope Mawloc Nexos Old One Eye Purestrain Genestealer Ravener Screamer-Killer Sporocyst Termagant Swarm Tervigon The Red Terror Toxicrene Trygon Prime Tyrant Guard Tyranid Harridan Tyranid Prime Venomthrope Winged Hive Tyrant Zoanthrope Instant (4) Aetherize Harrow Inspiring Call Starstorm Sorcery (6) Cultivate Explore Farseek Hull Breach Rampant Growth Tyranid Invasion Enchantment (8) Abundance Bred for the Hunt Death's Presence Hardened Scales New Horizons Overgrowth Shadow in the Warp The First Tyrannic War Artifact (6) Arcane Signet Bone Sabres Goliath Truck Herald's Horn Icon of Ancestry Sol Ring Land (39) Ash Barrens Cave of Temptation Cinder Glade Command Tower Evolving Wilds Exotic Orchard Frontier Bivouac Game Trail Opal Palace Path of Ancestry Rugged Highlands Temple of Abandon Temple of Epiphany Temple of Mystery Terramorphic Expanse Thornwood Falls Unclaimed Territory Island x7 Mountain x7 Forest x8 Commanders, Theme, and Strategy The two main Commanders for Tyranid Swarm are The Swarmlord and Magus Lucea Kane

You may reveal a creature card with power 2 or less from among them and put it into your hand
To figure it out, you need to know when the dull spots of a game are, and figure out if opponents are playing the right cards at the right times
Having Tetsuko Umezawa, Fugitive can reassure any of your ninjas with power or toughness 1 or less are unblockable so that you can increase Yuriko's combat damage triggers
6, 1121, and 154172 for rabbitfolk, costuming, design language, and motifs)