Flashback {U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{U}
Diminish
Instant
Target creature has base power and toughness 1/1 until end of turn.
{U}
Downsize
Instant
Target creature you don't control gets -4/-0 until end of turn.
Overload {2}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{3}{W}{U}
Jelenn Sphinx
Creature - Sphinx
Flying, vigilance
Whenever Jelenn Sphinx attacks, other attacking creatures get +1/+1 until end of turn.
1 /
5
{4}{U}
Jwar Isle Avenger
Creature - Sphinx
Surge {2}{U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Flying
3 /
3
{W}{U}{B}
Raffine, Scheming Seer
Legendary Creature - Sphinx Demon
Flying, ward {1}
Whenever you attack, target attacking creature connives X, where X is the number of attacking creatures. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)
1 /
4
{3}{U}{U}
Serra Sphinx
Creature - Sphinx
Flying, vigilance
4 /
4
{W}{W}{U}{U}
Sphinx of New Prahv
Creature - Sphinx
Flying, vigilance
Spells your opponents cast that target Sphinx of New Prahv cost {2} more to cast.