Finally, the easiest is just to equip Heros Blade which gives +3/+2 to the equipped creature
Multiple copies of tdm-55-roiling-dragonstorm and tdm-51-marang-river-regent-coil-and-catch can loop together to bounce all permanents and draw your entire library, followed by a lethal attack next turn with counterspells for anything relevant the opponent might play
Others include three holographic cards of Greninja, Bulbasaur, and Magnemite , as well as normal Haunter, Onix, and Jigglypuff, all with promo symbols next to their card's art

Prime Challenge Box [Umbreon] BREAKpoint 3 Pack Blister [Umbreon] Umbreon GX Premium Collection $726.00 TAG TEAM Powers Collection [Umbreon & Darkrai GX] $1924.99 Collector's Pin Two Pack Blisters [Umbreon] V Heroes Tin [Umbreon V] $105.44 V Heroes Tin [Umbreon V] (International Version) $74.78 Unified Minds Premium Checklane Blister [Umbreon] $149.99 Umbreon #41Rare $161.41 Umbreon #24Rare $35.58 Umbreon #32Rare $67.43 Umbreon #10Holo Rare $96.83 Umbreon #22Holo Rare $172.83 Umbreon #XY96Promo $104.53 Umbreon #120Rare $8.73 Umbreon #130Uncommon $0.36 Umbreon #130Uncommon $0.43 Umbreon #9Promo $2.26 Suicune (Poke Ball Pattern) #24Uncommon $0.42 Litleo #15Common $0.13 Litleo (Poke Ball Pattern) #15Common $0.33 Exeggutor (Master Ball Pattern) #2Uncommon $10.51 Applin (Poke Ball Pattern) #9Common $0.35 Exeggcute (Master Ball Pattern) #1Common $1.61 Flareon (Poke Ball Pattern) #13Rare $1.41 Hydrapple ex #11Double Rare $0.81 Flareon ex - 014/131 #14Double Rare $4.65 Applin (Master Ball Pattern) #9Common $2.51

In a rotisserie style of event with lots of sideboard slots available you might consider a learn card and a couple of lessons but even then I doubt it