Whalebone Glider

Draw three cards, then put two cards from your hand on top of your library in any order.

Defender (This creature can't attack.) Sacrifice this creature: Add RR. R, Sacrifice this creature: It deals 2 damage to target creature it's blocking.

XX1: Destroy target noncreature artifact with mana value X.

Enchant creature Enchanted creature gets +2/+0. At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature.

T: Target creature gets +2/+2 until end of turn. When that creature leaves the battlefield this turn, sacrifice this creature. Activate only during combat.

RR, T: Target creature can't be regenerated this turn. BBR, T: Regenerate target black or green creature. RGG, T: Regenerate target black or green creature.

(T: Add B.)

When this creature dies, you may pay 1B. If you do, target player discards a card at random.