Cast this spell only during combat on your turn.
Choose one —
• Creatures you control gain double strike until end of turn.
• Untap all creatures you control. After this phase, there is an additional combat phase.
Entwine {1}{R} (Choose both if you pay the entwine cost.)
Mana cost
3
R
R
Mana value
5
Printings
From
$8.91
EDHREC rank
#2927
Buy
Formats
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Rulings
1 Dec 2004
The additional combat phase is directly after the combat phase in which Savage Beating is cast. There isn't a main phase between the two combat phases.