+Two-Headed (9)
Target creature gains double strike until end of turn. (Then exile this card. You may cast the creature later from exile.)
Double strike (This creature deals both first-strike and regular combat damage.)
Flying
Menace (This creature can't be blocked except by two or more creatures.)
Two-Headed Dragon can block an additional creature each combat.
: Two-Headed Dragon gets +2/+0 until end of turn.
Whenever Two-Headed Giant attacks, flip two coins. If both coins come up heads, Two-Headed Giant gains double strike until end of turn. If both coins come up tails, Two-Headed Giant gains menace until end of turn.
Trample
Two-Headed Giant of Foriys can block an additional creature each combat.
Flying, menace, haste
Whenever Two-Headed Hellkite attacks, draw two cards.
All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)
Gatherer works better in the Companion app!
: Two-Headed Dragon gets +2/+0 until end of turn.