Tishana, Voice of Thunder [Ixalan Promos] Blue ) Put target card from

) Put target card from a graveyard on top of its owner's library

you notice how the joints fit

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

Set: Unglued Type: Artifact Rare Cost: {0} {T}: Tear Blacker Lotus into pieces

If each of those creatures could block all creatures that the other is blocking

Tishana, Voice of Thunder [Ixalan Promos] Blue ) Put target card fromSet: Ixalan Promos Type: Legendary Creature Merfolk Shaman Mythic Cost: {5}{G}{U} Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. When Tishana enters the battlefield, draw a card for each creature you control.