Day of the Dragons:
When Day of the Dragons comes into play, remove all creatures you control from the game. Then put that many 5/5 red Dragon creature tokens with flying into play. When Day of the Dragons leaves play, sacrifice all Dragons you control. Then return the removed cards to play under your control.
Number: 31
Rarity: R
Type: Enchantment
Mana cost: 4UUU
Color: Blue
Artist: Matthew D. Wilson
Mana Costs: W=White B=Black; G=Green; R=Red; U=Blue