Marath, Will of the Wild

You announce the value of X as you activate the ability, and all instances of X in the activation cost are equal to the announced value. For example, if you choose 2 as the value of X, then you pay 2 and remove two +1/+1 counters to pay the cost.

Wotc — November 10, 2020

The amount of mana you spent to cast this creature is usually equal to its mana value. However, you also include any additional costs you pay, including the cost imposed for casting your commander from the command zone.

Wotc — November 10, 2020

You can't choose to pay extra mana to cast a creature spell unless something instructs you to.

Wotc — November 10, 2020

If Marath enters the battlefield without being cast, then no mana was spent to cast it. It will therefore enter the battlefield without any +1/+1 counters. If no other effects are increasing its toughness at that time, it will subsequently be put into its owner's graveyard as a state-based action.

Wotc — November 10, 2020

You can't choose to pay extra mana to cast a creature spell unless something instructs you to.

Wotc — February 01, 2014

If Marath enters the battlefield without being cast, then no mana was spent to cast it. It will therefore enter the battlefield without any +1/+1 counters. If no other effects are increasing its toughness at that time, it will subsequently be put into its owner's graveyard as a state-based action.

Wotc — February 01, 2014

The amount of mana you spent to cast this creature is usually equal to its mana value. However, you also include any additional costs you pay, including the cost imposed for casting your commander from the command zone.

Wotc — February 01, 2014