That is the correct spelling of ability (a capacity or qualification).
You can counter an instant or sorcery spell with a spell that has the ability to target it.
When a creature with the ability "can't be the target of spells or abilities" in Magic: The Gathering is targeted by a spell or ability, the spell or ability will not affect that creature. This means the spell or ability will have no effect on the creature with that ability.
The target of this spell or ability can be a creature, player, or planeswalker.
No, "cascade" is not a triggered ability. It is a keyword ability that allows a player to cast a spell for free from the top of their library when they cast a spell with cascade.
Yes, you can enchant a planeswalker with a spell or ability, but it depends on the specific enchantment and the rules of the game.
Yes, in the game of Magic: The Gathering, you can target a planeswalker with a spell or ability.
Yes, you can cast a sorcery spell at instant speed by using a flashback ability.
Ability to spell.
"Mastermading"? Yes...it affectsyour ability to spell.
The ability to spell.
The correct spelling is strength (power, or ability).
When using the "splice onto arcane" ability in Magic: The Gathering, you can only splice an arcane spell onto another arcane spell as it's being cast. The spliced spell's effect is added to the original spell's effect.