Lukka, Bound to Ruin (Showcase, Phyrexian)

'Compleated ({R/G/P} can be paid with {R}, {G}, or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)
[+1]: Add {R}{G}. Spend this mana only to cast creature spells or activate abilities of creatures.
[−1]: Create a 3/3 green Phyrexian Beast creature token with toxic 1.
[−4]: Lukka deals X damage divided as you choose among any number of target creatures and/or planeswalkers, where X is the greatest power among creatures you control as you activate this ability.