Electrify [Core Set 2019] Friday Night Magic 2005 how could I know they'd

how could I know they'd explode

Set: Fifth Dawn Type: Creature — Human Druid Rarity: Common Cost: {1}{G} {T}: Add one mana of any color that a land an opponent controls could produce

Set: Rise of the Eldrazi Type: Creature — Eldrazi Rarity: Rare Cost: {12} Annihilator 2 (Whenever this creature attacks

(You may sacrifice a creature in addition to any other costs as you cast this spell

demands total commitment

Electrify [Core Set 2019] Friday Night Magic 2005 how could I know they'dSet: Core Set 2019 Type: Instant Rarity: Common Cost: {3}{R} Electrify deals 4 damage to target creature. "Some hid from the storm. I embraced it and learned its name."