Mike's Yellow Materia Page

Death Blow: Level 1-Critical hit with high chance of missing.
Steal: Level 1-Steal Level 2-Steal + Attack
Throw: Level 1-Throw unused weapon Level 2-Throw gil
Morph: Level 1-Turns enemy into item it, enemy dies, that's it; but not all enemies can be changed
Sense: Level 1-View opponents HP, MP, Level, Weakness
Manipulate: Level 1-Control a enemy, may not work on some enemies
Mime: Level 1-Copies any ember's last action, including counters and W commands
Slash-All: Level 1-Atacks all enemies Level 2-Instant death on all enemies, may not work on some enemies
Double Cut: Level 1-Attack Twice Level 2-Attack four times randomly on all enemies
Enemy-Skill: Level 1-Learn enemy spells
W-Magic: Level 1-Cast Magic Twice per turn
W-Summon: Level 1-Cast summon twice per turn
W-Item: Level 1-Allows usage of two items per turn