Nihil Spellbomb (Retro) [The Brothers' War Commander] Frog Druid put a +1/+1 counter on

put a +1/+1 counter on Ob Nixilis

At the beginning of the next end step

Set: Modern Horizons 3 Commander Type: Instant Rarity: Rare Cost: {3}{W} Choose one

and this card can only be found in one English-Language Collector Booster

You may cast a spell with mana value 3 or less from among them without paying its mana cost

Nihil Spellbomb (Retro) [The Brothers' War Commander] Frog Druid put a +1/+1 counter onSet: The Brothers' War Commander Type: Artifact Rarity: Common Cost: {1} {T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard. When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.