Lavabelly Sliver [Modern Horizons] XY12 your opponent cannot activate monster

your opponent cannot activate monster effects or declare an attack

standing stock still in its clearing

Set: 2021 Tin of Ancient Battles Card type: Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500 Cannot be Normal Summoned/Set

Set: Champion Pack 7 Card type: Effect Monster Rarity: Rare Attack: 2400 Defense: 1200 This card cannot be Special Summoned

{T}: Target player mills X cards

Lavabelly Sliver [Modern Horizons] XY12 your opponent cannot activate monsterSet: Modern Horizons Type: Creature Sliver Rarity: Uncommon Cost: {1}{R}{W} Sliver creatures you control have "When this creature enters the battlefield, it deals 1 damage to target player or planeswalker and you gain 1 life." Warm enough to incubate eggs or incinerate those who would eat them.