Ian Malcolm, Chaotician

When this enchantment enters and whenever an opponent loses the game, exile the top card of each player's library.

During each player's turn, that player may play a land or cast a spell from among cards exiled with this enchantment, and they may spend mana as though it were mana of any color to cast that spell. When they do, exile the top card of their library.

First strike

You may spend mana as though it were mana of any color to cast spells you don't own or to activate abilities of permanents you control but don't own.

Whenever Nathan Drake attacks, exile the top card of each player's library. You may cast a spell from among those cards.

Reach, haste

Whenever this creature attacks, if defending player has more cards in hand than you, exile the top card of their library. During any turn you attacked with a Rogue, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Flying

Whenever this creature deals combat damage to a player, that player exiles the top card of their library.

You may play lands and cast spells from among cards exiled with this creature.

Daxos can't be blocked by creatures with power 3 or greater.

Whenever Daxos deals combat damage to a player, exile the top card of that player's library. You gain life equal to that card's mana value. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Flying

Whenever this creature deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.