This means if you're gaining life during your opponent's turn, you can continuously grow your creatures to swing out for massive damage when your turn comes back around
It doesnt always work, but the times it has
Goblin Matron Can't find the goblin you require
In theory, it is possible to cast Cruel Ultimatum and lose the game, but I have not seen this happen
Dwynen's Elite Rarity: Common TYPE: Creature SUBTYPE: Elf Warrior CMC: 2 Mana cost: USD: $0.21 EUR: 0.13 TIX: 0.03 EDHREC RANK: 5895 (2/2) When this creature enters, if you control another Elf, create a 1/1 green Elf Warrior creature token
Burst Lightning is one of the best tools available, cleanly answering the creature while also fitting naturally into Izzet strategies that want to cast a high volume of spells