AI DraftFeb 26, 2026
Marwyn, the Nurturer + Umbral Mantle
Overview
Umbral Mantle grants Marwyn an activated ability ("
, 
: This creature gets +2/+2 until end of turn") — that is an ability granted to the creature (see ). When you activate that ability you untap Marwyn as a cost (the untap is part of the cost and can't be responded to) [Ruling 2008-05-01]. Marwyn's 
: Add 
equal to Marwyn's power is a mana ability that doesn't use the stack [Ruling 2018-04-27]. Because paying the Mantle's untap cost happens when you activate the Mantle ability, Marwyn is already untapped while the Mantle ability is on the stack, so you may choose to activate Marwyn's mana ability either before the Mantle ability resolves (producing mana equal to Marwyn's power before the +2/+2) or after it resolves (producing mana equal to Marwyn's power including the +2/+2). Also note only the equipped creature's controller can activate an ability granted to it by Equipment .
, : This creature gets +2/+2 until end of turn") — that is an ability granted to the creature (see ). When you activate that ability you untap Marwyn as a cost (the untap is part of the cost and can't be responded to) [Ruling 2008-05-01]. Marwyn's : Add equal to Marwyn's power is a mana ability that doesn't use the stack [Ruling 2018-04-27]. Because paying the Mantle's untap cost happens when you activate the Mantle ability, Marwyn is already untapped while the Mantle ability is on the stack, so you may choose to activate Marwyn's mana ability either before the Mantle ability resolves (producing mana equal to Marwyn's power before the +2/+2) or after it resolves (producing mana equal to Marwyn's power including the +2/+2). Also note only the equipped creature's controller can activate an ability granted to it by Equipment .Step 1
Attach Umbral Mantle to Marwyn using Equip (Equip 
) if not already attached; equip activation rules apply .
) if not already attached; equip activation rules apply .Step 2
Activate Umbral Mantle's granted ability by paying and untapping Marwyn as the cost; the untap is paid as a cost and occurs immediately as part of activation (untap can't be responded to) [Ruling 2008-05-01].
and untapping Marwyn as the cost; the untap is paid as a cost and occurs immediately as part of activation (untap can't be responded to) [Ruling 2008-05-01].Step 3
After paying costs and putting the Mantle ability on the stack, Marwyn is untapped while the Mantle ability is on the stack; at this point players get priority before that ability resolves.
Step 4
While the Mantle ability is on the stack (and Marwyn is untapped), you may activate Marwyn's : Add equal to Marwyn's power mana ability; that mana ability is a mana ability and doesn't use the stack [Ruling 2018-04-27].
: Add equal to Marwyn's power mana ability; that mana ability is a mana ability and doesn't use the stack [Ruling 2018-04-27].Step 5
If you activate Marwyn's mana ability before Mantle resolves, the mana produced equals Marwyn's power before the +2/+2 from Mantle. If you wait until after Mantle resolves, Marwyn will have +2/+2 and the mana produced equals Marwyn's increased power.
Step 6
Remember only the controller of the equipped creature can activate the ability granted by Umbral Mantle .
Resolution
If Umbral Mantle is attached to Marwyn, activating Mantle pays the untap cost first and puts the Mantle ability on the stack (the untap as cost can't be responded to) [Ruling 2008-05-01]. While that Mantle ability is on the stack Marwyn is untapped, and you may activate Marwyn's mana ability (which is a mana ability that doesn't use the stack) either before the Mantle ability resolves or after it resolves [Ruling 2018-04-27]. If you activate Marwyn before Mantle resolves, the mana produced equals Marwyn's power before the +2/+2 from Mantle; if you wait until after Mantle resolves, the mana produced equals Marwyn's power including the +2/+2. Only the controller of the equipped creature can activate the ability granted by Umbral Mantle .
mana ability (which is a mana ability that doesn't use the stack) either before the Mantle ability resolves or after it resolves [Ruling 2018-04-27]. If you activate Marwyn before Mantle resolves, the mana produced equals Marwyn's power before the +2/+2 from Mantle; if you wait until after Mantle resolves, the mana produced equals Marwyn's power including the +2/+2. Only the controller of the equipped creature can activate the ability granted by Umbral Mantle .Feedback