Ajani Goldmane (Pro Tour) [Pro Tour Promos] March of the Machine Prerelease Promos they cast it without paying

they cast it without paying its mana cost

Set: Magic 2011 Type: Creature — Elf Druid Rarity: Rare Cost: {1}{G}{G} Other Elf creatures you control get +1/+1

Set: Wilds of Eldraine Commander Type: Legendary Creature — Faerie Noble Rarity: Mythic Cost: {1}{U}{B} Flying

Set: Unhinged Type: Creature — Ooze Rarity: Common Cost: {G} You may have S

Set: Fallout Type: Enchantment Rarity: Rare Cost: {4}{R} At the beginning of your upkeep

Ajani Goldmane (Pro Tour) [Pro Tour Promos] March of the Machine Prerelease Promos they cast it without payingSet: Pro Tour Promos Type: Legendary Planeswalker Ajani Rarity: Mythic Cost: {2}{W}{W} +1: You gain 2 life. 1: Put a +1 +1 counter on each creature you control. Those creatures gain vigilance until end of turn. 6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."