Flux Channeler

Spells your opponents cast cost 2 more to cast. At the beginning of your end step, each opponent loses 1 life.

Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature. −2: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this token deals damage to a planeswalker, destroy that planeswalker."

Choose one — • Target player sacrifices an artifact of their choice. • Target player sacrifices a creature of their choice. • Target player sacrifices a planeswalker of their choice.

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Enchant creature or planeswalker you control When enchanted permanent dies or is put into exile, return that card to the battlefield under your control.

Exchange control of two target permanents that share a permanent type.

Haste Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the greatest power among creatures you control.

Choose one or more — • Destroy target artifact. • Destroy target creature. • Destroy target enchantment. • Destroy target land. • Destroy target planeswalker.