Whenever you sacrifice a permanent, "PHENOMANL COSMIC POWER, itty-bitty head" gets +2/+0 until end of turn.
, Sacrifice a creature or enchantment: "PHENOMANL COSMIC POWER, itty-bitty head" gets first strike until end of turn.
[+1]: Up to one target creature gets +3/+0 and gains first strike until end of turn.
[−2]: Choose two target creatures. "Rowan's Not Messing Around Anymore" deals 1 damage to each of them. Those creatures can't block this turn.
[−9]: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.
Whenever "Supercharger" attacks, if it doesn't have first strike, put a first strike counter on it.
Whenever "Supercharger" attacks, if it has first strike, it gains double strike until end of turn.
Up to two target creatures each get +1/+0 and gain first strike until end of turn.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
First strike
When Aether Chaser enters the battlefield, you get (two energy counters).
Whenever Aether Chaser attacks, you may pay . If you do, create a 1/1 colorless Servo artifact creature token.
Enchant non-Wall creature
Enchanted creature has first strike and trample.
At the beginning of the end step of enchanted creature's controller, destroy that creature if it didn't attack this turn.
The star that burns twice as bright burns half as long.
[+1]: Until end of turn, up to one target creature gets +1/+1 and gains first strike, vigilance, and lifelink.
[−2]: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control.
[−7]: You get an emblem with "If a source would deal damage to you or a planeswalker you control, prevent all but 1 of that damage."
First strike (This creature deals combat damage before creatures without first strike.)
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)