Deed is so strong it is often played in fairly agro decks than normally wouldn't consider mass removal as an option
How MTG's Companions Broke The Game As for companions, these are cards that players can keep outside of their decks and play when they have enough mana to do so, only after they spend an extra three mana of any color
You may also put a name sticker, an art sticker, and/or an ability sticker on it
Interestingly, part of ending a turn immediately involves exiling all spells and abilities from the stack, which means the effect ending the turn usually exiles itself
Some valuable cards include Royal Tantrum, Donald Duck - Pie Slinger and Clarabelle - Light On Her Hooves
Both versions of Koma are great, and I'm kind of surprised this isn't a mythic