It of the Horrid Swarm
Creature — Eldrazi Insect
When you cast this spell, create two 1/1 green Insect creature tokens.
Legal in
Pioneer, Modern, Legacy, Vintage, Commander, Pauper
Rulings (12)
You may sacrifice a creature with a mana value of 0, such as a token creature that’s not a copy of another permanent, to cast a spell for its emerge cost. You’ll just pay the full emerge cost with no reduction.
2025-01-24
If you sacrifice a creature with in its mana cost, that X is 0.
2025-01-24
An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack without resolving.
2025-01-24
If you cast a spell for another cost “rather than paying its mana cost,” such as an emerge cost, you can’t choose to cast it for any other alternative costs. You can, however, pay additional costs, such as kicker costs. If the spell has any mandatory additional costs, those must be paid to cast it.
2025-01-24