Savage Alliance
Instant
Escalate 
(Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Creatures target player controls gain trample until end of turn.
• Savage Alliance deals 2 damage to target creature.
• Savage Alliance deals 1 damage to each creature target opponent controls.
Johann Bodin
Innistrad Remastered (INR)
• #169Rulings
You can't choose any one mode multiple times.
(wotc • 2016-07-13)
If an effect allows you to cast a spell that has escalate without paying its mana cost, you pay escalate costs for that spell if you choose more than one mode.
(wotc • 2016-07-13)
You choose all of your modes at once. You can't wait to perform one mode's actions and then decide to choose more modes.
(wotc • 2016-07-13)
If two of the chosen modes of an escalate spell target a creature, you may choose the same creature for each mode's target, or choose different creatures. The same is true if the chosen modes target a player (or opponent).
(wotc • 2016-07-13)
When determining how much damage a creature with trample may assign to the player or planeswalker it's attacking, take into account damage that has already been dealt to the blocking creatures. For example, a 4/4 creature with trample blocked by a 4/4 creature with 2 damage marked on it may assign 2 damage to that creature and 2 damage to the defending player.
(wotc • 2016-07-13)
If you choose the second and third modes, and the targeted creature is controlled by the targeted opponent, that creature will take 2 plus 1 damage for a total of 3 damage. An ability that triggers whenever that creature is dealt damage will trigger twice.
(wotc • 2016-07-13)
If one target of an escalate spell becomes illegal, the other targets will still be affected. If all of the targets become illegal, the spell won't resolve.
(wotc • 2016-07-13)
Effects that reduce the cost of spells reduce the total cost, including any escalate costs added.
(wotc • 2016-07-13)
Additional costs don't affect a spell's mana value.
(wotc • 2016-07-13)
Rulings
You can't choose any one mode multiple times.
(wotc • 2016-07-13)
If an effect allows you to cast a spell that has escalate without paying its mana cost, you pay escalate costs for that spell if you choose more than one mode.
(wotc • 2016-07-13)
You choose all of your modes at once. You can't wait to perform one mode's actions and then decide to choose more modes.
(wotc • 2016-07-13)
If two of the chosen modes of an escalate spell target a creature, you may choose the same creature for each mode's target, or choose different creatures. The same is true if the chosen modes target a player (or opponent).
(wotc • 2016-07-13)
When determining how much damage a creature with trample may assign to the player or planeswalker it's attacking, take into account damage that has already been dealt to the blocking creatures. For example, a 4/4 creature with trample blocked by a 4/4 creature with 2 damage marked on it may assign 2 damage to that creature and 2 damage to the defending player.
(wotc • 2016-07-13)
If you choose the second and third modes, and the targeted creature is controlled by the targeted opponent, that creature will take 2 plus 1 damage for a total of 3 damage. An ability that triggers whenever that creature is dealt damage will trigger twice.
(wotc • 2016-07-13)
If one target of an escalate spell becomes illegal, the other targets will still be affected. If all of the targets become illegal, the spell won't resolve.
(wotc • 2016-07-13)
Effects that reduce the cost of spells reduce the total cost, including any escalate costs added.
(wotc • 2016-07-13)
Additional costs don't affect a spell's mana value.
(wotc • 2016-07-13)