Wall of Roots
Creature — Plant Wall
Defender
Put a -0/-1 counter on this creature: Add . Activate only once each turn.
Root systems in Mwonvuli twist through currents of mana rather than soil.
Matt Stewart
Magic Online Promos (PRM)
• #35114Rulings
If you must sacrifice a creature to pay a casting or activation cost that also includes mana, such as that of Bubbling Cauldron's abilities, you may put a -0/-1 counter on Wall of Roots to make its toughness 0 and then sacrifice it to pay that cost.
(wotc • 2017-11-17)
Rulings
If you must sacrifice a creature to pay a casting or activation cost that also includes mana, such as that of Bubbling Cauldron's abilities, you may put a -0/-1 counter on Wall of Roots to make its toughness 0 and then sacrifice it to pay that cost.
(wotc • 2017-11-17)