Prismatic Vista [Modern Horizons] Demon {W}{U}{B}{R}{G}: Ally creatures you control

{W}{U}{B}{R}{G}: Ally creatures you control get +X/+X until end of turn

Set: Invasion Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

Set: Ultimate Masters Box Topper Type: Creature — Human Druid Rarity: Mythic Cost: {G} Exalted (Whenever a creature you control attacks alone

Then if your library has no cards in it

Prismatic Vista [Modern Horizons] Demon {W}{U}{B}{R}{G}: Ally creatures you controlSet: Modern Horizons Type: Land Rarity: Rare {T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle. There is beauty in the uncertainty of potential.