Perhaps you could pair it with something like Toedscruel, whose Slime Mold Colony ability keeps cards stuck in the discard pile
These are the best cards you can get from the starter decks

Sort Card Type Marill #53Uncommon $23.77 Marill #29Promo $7.25 Marill #66Common $0.86 Marill #11Promo $137.32 Marill #120Common $6.28 Marill #68Common $1.61 Marill #68Common $2.25 Marill #76Common $1.25 Marill #88Common $1.56 Marill #74Common $0.67 Marill #36Common $0.59 Marill #102Common $0.30 Marill #76Common $0.32 Marill #34Common $0.73 Marill #135Common $0.49 Marill #58Common $0.19 Marill #64Common $0.18 Marill #33Common $0.11 Marill #73Common $0.14 Marill #26Common $0.13 Marill #16Common $0.21 Marill #62Common $0.86 Marill #19Common $6.33 Marill #36Common $3.55 Marill #47Common $4.00 Marill - 016/071 #16Common $0.10 Marill - 044/193 #44Common $0.10 Marill - 073/071 #73Art Rare $18.79 Marill - 083/217 #83Common $0.21 Marill - 083/217 (Energy Symbol Pattern) #83Common $0.27 Marill - 083/217 (Friend Ball) #83Common $0.21 Marill - 10/12 #10Promo $9.91 Marill - 204/193 #204Illustration Rare $59.89 Marill - 232/217 #232Illustration Rare $14.66 Marill #11Promo $137.32 Marill - 204/193 #204Illustration Rare $59.89 Marill #53Uncommon $23.77 Marill - 073/071 #73Art Rare $18.79 Marill - 232/217 #232Illustration Rare $14.66 Marill - 10/12 #10Promo $9.91 Marill #29Promo $7.25 Marill #19Common $6.33 Marill #120Common $6.28 Marill #47Common $4.00

It gives that germ, or whatever else you equip it to, +5/+5, first strike, trample, indestructible, and haste
What is the width of a standard Pokemon card
8.Various shapes, sizes and designs are available