Giving your creature spells offspring 2, which allows you to make a 1/1 token copy of the creature you cast, just increases the amount of potential for the first ability
Speedroid Gum Prize X WIND Level 1 [ Machine / TunerEffect ] ATK 0 DEF 800 During the Battle Phase, if you take battle or effect damage: You can Special Summon this card from your hand
Oh and thats not all, as Altaria ex also has a pretty nifty Ability which allows you to heal 20 damage from each of your Pokemon, once per turn, every turn
Special Summon 1 "Battlin' Boxer" monster from your GY, except "Battlin' Boxer Uppercutter"
These feature a pop art-style rendition of a Pokmon with an attack name written out above it in English (for the Japanese release) or Japanese (for the English release)
Even better, if you have an activated ability like a Rakshasa Deathdealer or a creature with outlast or monstrosity, you can use your mana on that instead of casting a spell and never give your opponent a chance to use his or her mana at all