While it seems like an expensive price to pay for drawing cards, black rarely gets this kind of on-damage card advantage and its also not drawing cards
5 Sun Titan Sun Titan is an amazing card with a reanimation ability built into it
For example, if you control The Ozolith ("Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith.") when Zack Fair's last ability resolves, you'll put the appropriate number of each kind of counter onto both The Ozolith and the target creature.
If the target creature is a token, the ability still triggers when it dies, but you won't return the token to the battlefield because it'll cease to exist when state-based actions are checked
Typically blue agro decks still want cards like this with high toughness as the majority of their threats are small bodied fliers
It's very fitting for Morph, who can alter his shape into basically anything