#Commander:
Zaxara, the Exemplary (c20) 20 #top10k #Deathtouch
#Creature (50):
Clockwork Hydra (tsp) 253
Voracious Hydra (m20) 200 #top10k #Trample #Fight
Bristling Hydra (kld) 147
Oran-Rief Hydra (pbfz) 181 #top10k #Trample #Landfall
Kalonian Hydra (m14) 181 #top10k #Trample
Capricopian (c20) 58 #top10k
Bioessence Hydra (war) 186 #Trample
Sprouting Phytohydra (dis) 95 #Defender
Steelbane Hydra (eld) 322 #top10k
Vastwood Hydra (m14) 198 #top10k
Genesis Hydra (m15) 176 #top10k
Mistcutter Hydra (ths) 162 #top10k #Protection #Haste
Whiptongue Hydra (c18) 36 #top10k #Reach
Thunderous Snapper (eld) 215 #top10k
Hydroid Krasis (rna) 183 #top10k #Flying #Trample
Nyxborn Hydra (mh3) 164 #top10k #Reach #Trample #Bestow
Hydra Omnivore (cmd) 161 #top10k
Polukranos, World Eater (ddl) 43 #top10k #Monstrosity
Briar Hydra (dmu) 286 #Trample #Domain
Stumpsquall Hydra (cmr) 367
Phyrexian Hydra (mbs) 85 #top10k #Infect
Scourge of Skola Vale (bng) 137 #Trample
Polukranos, Unchained (thb) 224 #top10k #Fight #Escape
Nessian Wilds Ravager (pbng) 129★ #Fight #Tribute
Ironscale Hydra (thb) 296 #top10k
Benevolent Hydra (j22) 38 #top10k
Mossborn Hydra (fdn) 107 #Trample #Landfall #NEW
Ramunap Hydra (hou) 130 #Reach #Vigilance #Trample
Hydra Broodmaster (jou) 128 #top10k #Monstrosity
Apex Devastator (cmr) 217 #top10k #Cascade
Domesticated Hydra (cn2) 63 #Monstrosity
Khalni Hydra (roe) 192 #Trample
Feral Hydra (ala) 131 #top10k
Lifeblood Hydra (c14) 45 #top10k #Trample
Hungering Hydra (m19) 189 #top10k
Grakmaw, Skyclave Ravager (znr) 223 #top10k
Neverwinter Hydra (afc) 310 #top10k #Trample #Ward
Hooded Hydra (ktk) 136 #top10k #Morph
Managorger Hydra (ori) 186 #top1k #Trample
Protean Hydra (m10) 200 #top10k
Honored Hydra (akh) 172 #Trample #Embalm
Ulvenwald Hydra (soi) 235 #top10k #Reach
The Goose Mother (woe) 204 #top10k #Flying #Food
Gargos, Vicious Watcher (m20) 172 #top10k #Vigilance #Fight
Primordial Hydra (m12) 189 #top10k
Goldvein Hydra (otj) 167 #top10k #Vigilance #Treasure #Haste #Trample
Wildwood Scourge (m21) 214 #top10k
Wren's Run Hydra (mh2) 183 #top10k #Reach #Reinforce
Heroes' Bane (pjou) 126★ #top10k
Rampant Rejuvenator (nec) 28 #top10k
#Changelings (49):
Bloodline Pretender (khm) 235 #top10k #Changeling
Mistwalker (khm) 68 #Changeling #Flying
Guardian Gladewalker (khm) 174 #top10k #Changeling
Mistform Mask (ons) 94 #Enchant
Venomous Changeling (mh1) 114 #top10k #Changeling #Deathtouch
Mistform Seaswift (lgn) 45 #Flying #Morph
Maskwood Nexus (khm) 240 #top1k
Amorphous Axe (mh1) 219 #Equip
Mistform Wakecaster (lgn) 48 #Flying
Moritte of the Frost (khm) 223 #top10k #Changeling
Realmwalker (khm) 188 #top1k #Changeling
Gladewalker Ritualist (khm) 392 #Changeling
Skeletal Changeling (lrw) 140 #top10k #Changeling
Mistform Warchief (scg) 43
Mistform Sliver (lgn) 46
Mothdust Changeling (mor) 42 #top10k #Changeling
Runed Stalactite (lrw) 260 #Equip
Three Tree Mascot (blb) 251 #top10k #Changeling
Woodland Changeling (lrw) 242 #top10k #Changeling
Nameless Inversion (lrw) 128 #top10k #Changeling
Ghostly Changeling (lrw) 116 #Changeling
Webweaver Changeling (mh1) 192 #Reach #Changeling
Mistform Mutant (ons) 95
Mistform Stalker (ons) 98
Game-Trail Changeling (mor) 123 #Trample #Changeling
Mistform Shrieker (ons) 96 #Flying #Morph
Turtleshell Changeling (lrw) 94 #Changeling
Cairn Wanderer (lrw) 105 #top10k #Changeling
Graveshifter (mh1) 94 #top10k #Changeling
Littjara Glade-Warden (khm) 182 #Changeling
Mistform Dreamer (ons) 93 #Flying
Shapesharer (lrw) 85 #top10k #Changeling
Littjara Kinseekers (khm) 66 #Scry #Changeling
Changeling Titan (lrw) 200 #Champion #Changeling
Formless Genesis (dsc) 34 #Retrace #Changeling
Mistform Skyreaver (ons) 97 #Flying
Chameleon Colossus (mor) 116 #top10k #Protection #Changeling
Changeling Outcast (mh1) 82 #top1k #Changeling
Mistform Wall (ons) 99
Barkform Harvester (blb) 243 #top10k #Reach #Changeling
Omo, Queen of Vesuva (m3c) 14 #top10k
Wings of Velis Vel (lrw) 97 #Changeling
Masked Vandal (khm) 184 #top10k #Changeling
Amoeboid Changeling (lrw) 51 #top10k #Changeling
Arachnoform (khm) 159 #Enchant
Ego Erasure (lrw) 59 #Changeling
Moonglove Changeling (mor) 67 #Changeling
Universal Automaton (mh1) 235 #top10k #Changeling
Mistform Ultimus (lgn) 47
#Non-commander-legal (5):
Multi-Headed (ust) 117 #top100 #Augment
Hydradoodle (ust) 112 #top100 #Reach #Trample
Hydra (tc20) 12 #top100
Hydra (tjou) 4 #top100
Hydra (tznr) 9 #top100
#r= gives the edhrec rank of the card; the lower the ranking, the more decks the card is played in.