Can I kill my own Planeswalker?

No. The loyalty cost is a cost, and if you cannot pay the cost, you can’t use the ability. You can remove the last two to pay a cost of 2, but you cannot pay more than you have.

Is summoning a Planeswalker a spell?

“Planeswalkers” as such are permanents on the battlefield (C.R. 109.2), not spells or players (compare C.R. 110.1 with C.R. 112.1 and 102.1).

What happens if you mutate on a stolen creature?

If a mutating creature spell such as Huntmaster Liger resolves, it only changes certain characteristics on the creature it targets. The spell never changes control of that creature. After that, you can think of the spell in one of two ways: The spell “vanishes” for most purposes, as far as the game is concerned.

Can you counter morph?

Morph cannot be countered or responded to. If he wants to counter it as you play it face down, that is fine, but he cannot respond to the special action that turns it face up. 702.34d If you have priority, you may turn a face-down permanent you control face up.

Is mutate an ETB?

ETB Triggers – When you merge a creature, the mutating spell does not enter the battlefield so no ETB triggers will happen. The resulting permanent is a mutated permanent.

Does mutate trigger itself?

Mutate itself is not a trigger, but there are abilities that trigger when a creature mutates, and this would mean when a creature enters the battlefield and was cast for its mutate cost (that is, when it becomes the top creature of the mutate pile and gains the abilities of the targeted creature underneath it), or …

Does mutate trigger beast whisperer?

You will draw a card off Beast Whisperer for it, for example. “Whenever this creature mutates” abilities will trigger both for the mutator and the creature it targeted.

Can you flash mutate?

Dirge Bat’s mutate cost is pretty steep, but having flash makes this card much more powerful both as a mutate spell and as a creature to mutate onto.