it could be that you are missing the conditions see the below code. For the 1st two there isn't really a condition to check because there is no other levels to be checked against.
<Page Name="Illusionist">
<Data Name="Button1" Macro="useabilityonplayer Parent.Target Mana Flow
tell Parent.Target Mana Flow on You
gsay Incoming Manaflow on Parent.Target" Tooltip="(AA) Mana Flow"/>
<Data Name="Button2" Macro="SpellForMyLevel='Synergism IV'
COND=(Parent.Parent.Parent.Parent.Custom.ProfitUI_QuickRaidButtons.ActualLevel.T ext < 75)
SpellForMyLevel=COND ? 'Synergism III' : SpellForMyLevel
COND=(Parent.Parent.Parent.Parent.Custom.ProfitUI_QuickRaidButtons.ActualLevel.T ext < 63)
SpellForMyLevel=COND ? 'Synergism II' : SpellForMyLevel
COND=(Parent.Parent.Parent.Parent.Custom.ProfitUI_QuickRaidButtons.ActualLevel.T ext < 49)
SpellForMyLevel=COND ? 'Synergism' : SpellForMyLevel
useabilityonplayer Parent.Target SpellForMyLevel
tell Parent.Target '>>> Incoming Tandem <<< Now burn them up'" Tooltip="(35) Synergism
(49) Synergism II
(63) Synergism III
(75) Synergism IV"/>
<Data Name="Button3" Macro="useabilityonplayer Parent.Target Illusory Arm
tell Parent.Target IA On you" Tooltip="(AA) Illusory Arm"/>
<Data Name="Button4" Macro="useabilityonplayer Parent.Target Time Compression
tell Parent.Target Time Compression on you" Tooltip="Time Compression"/>
<Data Name="Button5" Macro="tell Parent.Target Heart'/'Shard please" Tooltip="Heart/Shard request"/>
</Page>