Higure, the Still Wind (bok) 37 #r4539
Ink-Eyes, Servant of Oni (pbok) 71★ #r2912
Kotose, the Silent Spider (neo) 490 #r12288
Nashi, Moon Sage's Scion (neo) 459 #r1557
Satoru Umezawa (neo) 507 #r2710
Satoru, the Infiltrator (otj) 298 #r13305 #NEW
Tatsunari, Toad Rider (neo) 123 #r6673
Yuriko, the Tiger's Shadow (c18) 52 #r2079
Mistform Ultimus (lgn) 47 #r16698 (changeling)
Moritte of the Frost (khm) 328 #r4015 (changeling)
Morophon, the Boundless (mh1) 1 #r1667 (changeling)
Azra Smokeshaper (mh1) 79 #r9920
Biting-Palm Ninja (neo) 452 #r6715
Blade-Blizzard Kitsune (neo) 5 #r15915
Coiling Stalker (neo) 346 #r13819
Covert Technician (neo) 49 #r8462
Dokuchi Shadow-Walker (neo) 94 #r12925
Dokuchi Silencer (neo) 95 #r5325
Fallen Shinobi (mh1) 199 #r1625
Fang of Shigeki (neo) 347 #r4394
Futurist Operative (neo) 53 #r13562
Ingenious Infiltrator (mh1) 204 #r2340
Inkrise Infiltrator (neo) 341 #r9777
Invasion of Kamigawa // Rooftop Saboteurs (mom) 62 #r13827
Kappa Tech-Wrecker (neo) 348 #r6390
Mist-Syndicate Naga (mh1) 58 #r3328
Mistblade Shinobi (bok) 43 #r2765
Moon-Circuit Hacker (neo) 67 #r2888
Moonblade Shinobi (mh1) 59 #r6898
Moonsnare Specialist (neo) 70 #r5923
Mukotai Ambusher (neo) 342 #r7763
Nezumi Prowler (neo) 344 #r5021
Ninja of the Deep Hours (bok) 44 #r2725
Ninja of the New Moon (mh1) 99 #r14434
Okiba-Gang Shinobi (bok) 76 #r6305
Orochi Soul-Reaver (otc) 22 #r12000 #NEW
Phantom Ninja (mh1) 62 #r7669
Prosperous Thief (neo) 73 #r1969
Saiba Cryptomancer (mom) 76 #r8808
Sakashima's Student (pc2) 24 #r2789
Silent-Blade Oni (pc2) 105 #r2275
Silver-Fur Master (neo) 236 #r2222
Skullsnatcher (bok) 84 #r4227
Spring-Leaf Avenger (neo) 208 #r5348
Thousand-Faced Shadow (neo) 86 #r1941
Throat Slitter (bok) 88 #r3650
Throatseeker (mh1) 110 #r8893
Walker of Secret Ways (bok) 60 #r6690
Amoeboid Changeling (lrw) 51 #r4036 (changeling)
Amorphous Axe (mh1) 219 #r11060 (changeling)
Arachnoform (khm) 159 #r12403 (changeling)
Avian Changeling (lrw) 4 #r7577 (changeling)
Blades of Velis Vel (lrw) 152 #r9448 (changeling)
Bloodline Pretender (khm) 235 #r1323 (changeling)
Cairn Wanderer (lrw) 105 #r8301 (changeling)
Chameleon Colossus (mor) 116 #r3540 (changeling)
Changeling Berserker (lrw) 160 #r9528 (changeling)
Changeling Hero (lrw) 9 #r11715 (changeling)
Changeling Outcast (mh1) 82 #r602 (changeling)
Changeling Sentinel (mor) 6 #r14549 (changeling)
Changeling Titan (lrw) 200 #r10191 (changeling)
Crib Swap (lrw) 11 #r2113 (changeling)
Ego Erasure (lrw) 59 #r19321 (changeling)
Fire-Belly Changeling (lrw) 164 #r9121 (changeling)
Game-Trail Changeling (mor) 123 #r11129 (changeling)
Ghostly Changeling (lrw) 116 #r12225 (changeling)
Gladewalker Ritualist (khm) 392 #r14925 (changeling)
Graveshifter (mh1) 94 #r2872 (changeling)
Guardian Gladewalker (khm) 174 #r5474 (changeling)
Impostor of the Sixth Pride (mh1) 14 #r6377 (changeling)
Irregular Cohort (mh1) 15 #r3238 (changeling)
Littjara Glade-Warden (khm) 182 #r12595 (changeling)
Littjara Kinseekers (khm) 66 #r11650 (changeling)
Masked Vandal (khm) 184 #r1233 (changeling)
Maskwood Nexus (khm) 240 #r518 (changeling)
Mirror Entity (lrw) 31 #r650 (changeling)
Mistform Dreamer (ons) 93 #r24995 (changeling)
Mistform Mask (ons) 94 #r18779 (changeling)
Mistform Mutant (ons) 95 #r16876 (changeling)
Mistform Seaswift (lgn) 45 #r25635 (changeling)
Mistform Shrieker (ons) 96 #r26236 (changeling)
Mistform Skyreaver (ons) 97 #r26323 (changeling)
Mistform Sliver (lgn) 46 #r19783 (changeling)
Mistform Stalker (ons) 98 #r25302 (changeling)
Mistform Wakecaster (lgn) 48 #r24065 (changeling)
Mistform Wall (ons) 99 #r23919 (changeling)
Mistform Warchief (scg) 43 #r13652 (changeling)
Mistwalker (khm) 68 #r9369 (changeling)
Moonglove Changeling (mor) 67 #r11538 (changeling)
Mothdust Changeling (mor) 42 #r3103 (changeling)
Nameless Inversion (lrw) 128 #r9148 (changeling)
Realmwalker (khm) 399 #r487 (changeling)
Runed Stalactite (lrw) 260 #r11377 (changeling)
Shapesharer (lrw) 85 #r7260 (changeling)
Shields of Velis Vel (lrw) 39 #r7368 (changeling)
Skeletal Changeling (lrw) 140 #r7640 (changeling)
Taurean Mauler (mor) 109 #r931 (changeling)
Turtleshell Changeling (lrw) 94 #r15254 (changeling)
Universal Automaton (mh1) 235 #r1449 (changeling)
Unsettled Mariner (mh1) 216 #r3350 (changeling)
Valiant Changeling (mh1) 34 #r7362 (changeling)
Venomous Changeling (mh1) 114 #r7756 (changeling)
War-Spike Changeling (mor) 112 #r14289 (changeling)
Webweaver Changeling (mh1) 192 #r10376 (changeling)
Wings of Velis Vel (lrw) 97 #r11886 (changeling)
Woodland Changeling (lrw) 242 #r7021 (changeling)
Kaito Shizuki (neo) 424 #r3333
Ninja's Kunai (neo) 252 #r15321
Shuriken (bok) 160 #r19220
Smoke Shroud (mh1) 69 #r5544
Adaptive Automaton (m12) 201 #r1499
An-Zerrin Ruins (hml) 64 #r20854
Arcane Adaptation (xln) 46 #r2630
Ashes of the Fallen (sok) 152 #r15062
Belbe's Portal (nem) 127 #r7122
Brass Herald (apc) 133 #r9315
Caller of the Hunt (mmq) 233 #r17207
Cavern of Souls (avr) 226 #r133
Circle of Solace (ons) 13 #r24652
Conspiracy (mmq) 127 #r6810
Cover of Darkness (ons) 133 #r3825
Doom Cannon (ons) 307 #r22545
Door of Destinies (pmor) 143★ #r884
Elvish Soultiller (lgn) 124 #r16518
Engineered Plague (ulg) 51 #r16176
Etchings of the Chosen (mh1) 198 #r2165
From the Rubble (lcc) 72 #r8948
Herald's Horn (c17) 53 #r139
Icon of Ancestry (m20) 229 #r1508
Instruments of War (j22) 50 #r9800
Kindred Boon (c17) 5 #r6179
Kindred Discovery (c17) 11 #r353
Metallic Mimic (aer) 164 #r1121
Mirror of the Forebears (c17) 54 #r6856
Molten Echoes (c20) 54 #r1608
Obelisk of Urd (m15) 222 #r2259
Pillar of Origins (xln) 241 #r3841
Plague Engineer (mh1) 100 #r11310
Progenitor's Icon (lcc) 68 #r6659
Radiant Destiny (rix) 18 #r4486
Rally the Ranks (khm) 336 #r3095
Reflections of Littjara (khm) 73 #r516
Riders of Gavony (avr) 33 #r7333
Roaming Throne (lci) 344 #r418
Rukarumel, Biologist (cmm) 776 #r10108
Secluded Courtyard (neo) 512 #r278
Shared Triumph (ons) 53 #r12542
Species Specialist (c20) 47 #r2016
Steely Resolve (ons) 286 #r7224
Titan of Littjara (cmm) 760 #r4662
Unclaimed Territory (xln) 258 #r204
Urza's Incubator (uds) 142 #r525
Vanquisher's Banner (xln) 251 #r272
Xenograft (nph) 51 #r9244
Masterful Ninja (ust) 60 #r0
Ninja (ust) 61 #r0
Ninja (tneo) 4 #r0
Squishy Sphinx Ninja (sunf) 37 #r0
Overt Operative (ust) 64 #r0
https://tagger.scryfall.com/tags/artwork/ninja
#r= gives the edhrec rank of the card; the lower the ranking, the more decks the card is played in.