It's a red instant that costs three mana and generates five red mana
Jyoti, Moag Ancient creates Forest Dryad land tokens every time it's cast from the command zone and buffs land creatures every combat, but Tricky Terrain doesn't have too many land creatures and Jyoti's token-creating ability really only works if they're your commander
Ichor Rats Before Ichor Rats can even start attacking for infect damage, an opponent gets a poison counter when the phyrexian rat enters the battlefield
If you don't want to put that card onto the battlefield, it's not a creature card, or it does have the name the player said, it simply stays in that player's library without ever being revealed
(2022-10-07) If there's a creature card in your graveyard with an ability that defines its power and toughness, such as Tarmogoyf (Maro: He means Maro), the ability of Animate Graveyard will apply after that ability