Odyssey

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land.

Flying Your maximum hand size is reduced by three.

Dreamwinder can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land becomes an Island until end of turn.

Defender (This creature can't attack.) Flying

Whenever Rotting Giant attacks or blocks, sacrifice it unless you exile a card from your graveyard.

Whenever a player discards a card, you may gain 1 life.

{B}, Discard a card: Regenerate Dirty Wererat. Threshold — As long as seven or more cards are in your graveyard, Dirty Wererat gets +2/+2 and can'...

Sacrifice Crypt Creeper: Exile target card from a graveyard.

Flying Threshold — As long as seven or more cards are in your graveyard, Childhood Horror gets +2/+2 and can't block.

Flying Discard a card: Pulsating Illusion gets +4/+4 until end of turn. Activate this ability only once each turn.

When Phantom Whelp attacks or blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)

Dreamwinder can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land becomes an Island until end of turn.

{U}{U}: Tap target creature without flying.

{T}: Target player draws a card, then discards a card.

{T}: Target player draws two cards, then discards two cards.

Flying (This creature can't be blocked except by creatures with flying or reach.) When Aven Cloudchaser enters the battlefield, destroy target ench...

Flying {1}{U}, Discard a card: Return Balshan Griffin to its owner's hand.

Whenever Balshan Beguiler deals combat damage to a player, that player reveals the top two cards of their library. You choose one of those cards an...

Flying (This creature can't be blocked except by creatures with flying or reach.) {1}{U}: Target player reveals the top card of their library.

Flying, protection from red

Flying (This creature can't be blocked except by creatures with flying or reach.) When Aven Fisher dies, you may draw a card.

Flying {2}{U}, Discard a card: Return Amugaba to its owner's hand.

Tap an untapped Cephalid you control: Tap target permanent. {U}{U}{U}: Tap all creatures without flying.