mtg lord of the rings commander deck lists Gandalf White LotR DOUBLE TRIGGERS Magic Custom – CommanderComplete The Lord of the Rings:

For instance, Kozilek, the Great Distortion lets you draw up to seven cards when it enters the battlefield, ensuring that your hand is full, which can be pivotal for maintaining momentum in the late game

While providing your opponents with mana sources comparable to treasures may seem counter-intuitive, whenever an artifact an opponent controls is put into a graveyard (such as when they sacrifice a Banana), each Ape and Monkey you control gains a +1/+1 counter, meaning your opponents' treasures can cause your creatures to grow to massive sizes

Other card games sometimes have guaranteed amounts of certain rarities in a booster box, or in a case of booster boxes

For example, Vorinclex, Monstrous Raider's last two abilities can apply to counters placed this way