Raging River [International Collectors' Edition] Urza's Mine you may pay {0} rather

you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less

Set: Stronghold Promos Type: Creature — Spirit Rarity: Rare Cost: {4}{B} Flying

Set: Grand Prix Promos Type: Legendary Creature — Demon Rarity: Mythic Cost: {4}{B}{B}{B}{B} Flying

Set: Core Set 2019 Prerelease Promos Type: Legendary Creature — Human Knight Rarity: Rare Cost: {4}{W}{W} When Lena

Whenever a card is put into your graveyard from anywhere

Raging River [International Collectors' Edition] Urza's Mine you may pay {0} ratherSet: International Collectors' Edition Type: Enchantment Rarity: Rare Cost: {R}{R} Whenever one or more creatures you control attack, each defending player divides all creatures without flying they control into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.