Prossh, Skyraider of Kher (SLD-1717) - Secret Lair Drop (Borderless) Set_Ravnica Allegiance then you choose a nonland

then you choose a nonland card from it for each card discarded this way

and an in-depth introduction to this rich and ruinous setting through immersive lore

If one or more +1/+1 counters would be put on a creature you control

and comes with 10x Citadel 28

Prossh, Skyraider of Kher (SLD-1717) - Secret Lair Drop (Borderless) Set_Ravnica Allegiance then you choose a nonlandCasting Cost Card TypeLegendary Creature Dragon RarityMythic ArtistKathleen Neeley & AndWorld Design Power Toughness5 5 Legalities NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT