Pony does not seem capable of this concept with my settings as it is significantly worse than illustrious at held objects; beware as gacha abounds.
Below is a list of keywords used during the training of this model:
[105] Duel_Disk
[93] card
[91] bangs
[87] holding
[85] holding_card
[80] blonde_hair
[78] shirt
[74] spiked_hair
[73] belt
[71] jacket
[70] multicolored_hair
[69] jewelry
[67] pants
[66] black_hair
[64] smile
[63] solo
[63] purple_eyes
[61] 1boy
[61] looking_at_vie1wer
[60] dyed_bangs
[55] black_shirt
[53] closed_mouth
[53] collar
[49] chain
[49] necklace
[49] purple_hair
[47] school_uniform
[40] sleeveless
[39] simple_background
[39] bracelet
[38] blue_eyes
[38] blue_jacket
[38] buckle
[37] standing
[36] long_sleeves
[36] open_clothes
[36] jacket_on_shoulders
[34] brown_hair
[34] hair_between_eyes
[34] open_mouth
[32] multiple_boys
[30] blue_pants
[28] duel_monster
[27] white_background
[27] teeth
[25] coat
[24] open_jacket
[23] long_hair
[23] 2boys
[23] bright_pupils
[22] sleeveless_shirt
[21] choker
[20] cape
[18] chain_necklace
[17] full_body
[17] short_hair
[17] gloves
[17] black_pants
[16] brown_eyes
[16] upper_body
[15] red_hair
[14] white_coat
[14] red_eyes
[13] 1girl
[13] two-tone_hair
[13] belt_buckle
[13] shoes
[12] copyright_name
[12] clenched_hand
[12] breasts
[12] english_text
[11] open_coat
[11] cowboy_shot
[10] duel_academy_uniform_\(yu-gi-oh!_gx\)
[10] green_eyes
[10] grin
[10] tongue
[9] hat
[9] large_breasts
[8] grey_background
[8] no_humans
[8] armlet
[8] bare_shoulders
[8] wizard_hat
[8] blush
[8] character_name
[8] streaked_hair
[8] calendar_\(medium\)
[8] crossed_arms
[8] earrings
[8] :d
[8] outstretched_arm
[8] white_pupils
[8] frown
[7] gradient
[7] gradient_background
[7] shiny
[7] skirt
[7] crossover
[7] cleavage
[7] collarbone
[7] fingerless_gloves
[7] facial_mark
[7] black_footwear
[7] yellow_eyes
[6] logo
[6] parted_lips
[6] glowing
[6] blush_stickers
[6] border
[6] brown_gloves
[6] outline
[6] arm_belt
[6] 3boys
[5] science_fiction
[5] black_background
[5] sparkle
[5] dress
[5] dragon
[5] arm_up
[5] white_shirt
[5] high_collar
[5] medium_breasts
[5] blue_hair
[4] robot
[4] parody
[4] one_eye_closed
[4] multiple_views
[4] dark_skin
[4] turtleneck
[4] dated
[4] black_belt
[4] boots
[4] white_hair
[4] sharp_teeth
[4] 4boys
[4] very_long_hair
[4] blue_gloves
[4] multiple_girls
[4] 2girls
[4] sky
[4] profile
[4] staff
[4] blue_footwear
[3] black_eyes
[3] sword
[3] weapon
[3] pentacle
[3] blue_background
[3] shiny_hair
[3] black_gloves
[3] wings
[3] hood
[3] from_behind
[3] sleeveless_coat
[3] black_border
[3] miniskirt
[3] dark-skinned_male
[3] navel
[3] indoors
[3] short_sleeves
[3] chibi
[3] t-shirt
[3] colored_skin
[3] dual_persona
[3] wand
[3] collared_shirt
[3] red_jacket
[2] mecha
[2] still_life
[2] from_side
[2] helmet
[2] screen
[2] hand_up
[2] goggles
[2] pokemon_\(creature\)
[2] ribbon
[2] armor
[2] ahoge
[2] 6+boys
[2] pentagram
[2] ;d
[2] floating
[2] purple_background
[2] one_knee
[2] squatting
[2] hand_on_own_knee
[2] zoom_layer
[2] egyptian
[2] sidelocks
[2] sweat
[2] sweatdrop
[2] gakuran
[2] looking_back
[2] orange_eyes
[2] looking_to_the_side
[2] hand_on_hip
[2] vest
[2] midriff
[2] solo_focus