Survival of the Fittest [Exodus] Masters 25 there is an additional combat

there is an additional combat phase

Set: Mirrodin Type: Creature — Human Wizard Rarity: Rare Cost: {1}{U}{U} At the beginning of each opponent's upkeep

each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {4}{B}{B} Destroy target nonblack creature

/ One clover

Survival of the Fittest [Exodus] Masters 25 there is an additional combatSet: Exodus Type: Enchantment Rarity: Rare Cost: {1}{G} {G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.