rare pokemon card raichu - Raichu-GX - 29/73 Pokémon Hit Points120 HP Stage The Most Valuable Raichu Cards

Since most bears are mono-green, you can also support them with some green devotion cards

Even with the number of things going on here, though, three mana is a pretty tall ask for a sideboard card

Assembling Tron has become significantly easier with the printing of cards like [casthaven]Sylvan Scrying[/casthaven], [casthaven]Expedition Map[/casthaven], and [casthaven]Ancient Stirrings[/casthaven], as well as powerful colorless spells to accelerate into, such as [casthaven]Karn Liberated[/casthaven] and [casthaven]Ulamog, the Ceaseless Hunger[/casthaven]

Ninjask is probably the choice you want between the two, but neither is all that good

I haven't been convinced from seeing it in action, but maybe you might be convinced