When Cyclone Summoner enters the battlefield, if you cast it from your hand, return all permanents to their owners' hands except for Giants, Wizards, and lands.
Frost giants study for centuries in isolation, honing their ability to harness elemental mayhem.
This spell costs {1} less to cast if you control a Giant or a Wizard. When Frostpyre Arcanist enters the battlefield, search your library for an instant or sorcery card with the same name as a card in your graveyard, reveal it, put it into your hand, then shuffle.
When Giant's Amulet enters the battlefield, you may pay {3}{U}. If you do, create a 4/4 blue Giant Wizard creature token, then attach Giant's Amulet to it. Equipped creature gets +0/+1 and has "This creature has hexproof as long as it's untapped." Equip {2}
Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. As long as you control a Giant, you may cast Glimpse the Cosmos from your graveyard by paying {U} rather than paying its mana cost. If you cast Glimpse the Cosmos this way and it would be put into your graveyard, exile it instead.
This spell costs {1} less to cast for each snow land you control. When Icebreaker Kraken enters the battlefield, artifacts and creatures target opponent controls don't untap during that player's next untap step. Return three snow lands you control to their owner's hand: Return Icebreaker Kraken to its owner's hand.
Changeling When Littjara Kinseekers enters the battlefield, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.
Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter the battlefield this turn, they enter as copies of the chosen creature. Foretell {U}
Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.
Choose one or both — • The owner of target nonland permanent puts it on the top or bottom of their library. • Return target nonland permanent to its owner's hand.
"Which one of you slug-brained milksops forgot to make an offering to Cosima?" —Jolkur, navigator
Enchant permanent When Rune of Flight enters the battlefield, draw a card. As long as enchanted permanent is a creature, it has flying. As long as enchanted permanent is an Equipment, it has "Equipped creature has flying."